2925-00-142-8731

SPARK PLUG


2925-00-142-8731 (2925001428731, 001428731)
Part Number (1 listing): AC181
Summary

FSG 29 / FSC 2925

DEMIL: B

DEMIL INT:

HMIC: N

Date Created: 1 Jan 1963

Replacement NSN:

2925-00-037-7707

Replacement Date: 26 Jun 1986

MSDS: None

Hazmat: None

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MASTER CROSS REFERENCE LIST (MCRL) | NSN 2925-00-142-8731 Submit RFQ
Manufacturer Part NumberRNCCRNVCManufacturer NameCAGE
AC1813 - Design Control Reference9 - No Longer UsedGENERAL MOTORS CORP  70040    CAGE 70040  
AC1815 - Replaced / Discontinued9 - No Longer UsedGENERAL MOTORS CORP  24617      
AC181C - Advisory Reference1 - Incomplete Part NumberGENERAL MOTORS LLC  7X677    CAGE 7X677  
AC181C - Advisory Reference1 - Incomplete Part NumberGENERAL MOTORS LLC  7X677    CAGE 7X677  
AC181C - Advisory Reference1 - Incomplete Part NumberGENERAL MOTORS LLC  7X677    CAGE 7X677  
Code Definitions

3 - Design Control Reference

Reference Number Category Code (DRN_2910)


Design Control Reference. The primary number used to identify an item of production or a range of items of production, by the manufacturer (individual, company, firm, corporation, or Government activity) which controls the design, characteristics, and production of the item by means of its engineering drawings, specifications and inspection requirements.

5 - Replaced / Discontinued

Reference Number Category Code (DRN_2910)


Secondary Reference. Any additional number, other than a primary number (codes 1,2,3,4) informative reference (code 6) or vendor item drawing reference (code 7) assigned to an item of production or supply by a commercial or Government organization, which represents the same item of production or supply to which the National Stock Number (NSN) was assigned. The reference number may have had an RNCC of 1, 2, 3, 4 or 7 but has since been replaced in the item-of-supply concept of the NSN by another primary number.

C - Advisory Reference

Reference Number Category Code (DRN_2910)


Advisory Reference. A number assigned to an item of production or supply not included in the item-of-supply concept to which the NSN has been assigned (e.g., an item that may have been used in the preproduction equipment design which has since been redesigned or replaced). Use of this RNCC is restricted to conditions where cross-reference is required to establish identification to an item of supply. Additionally, there is not direct relationship of the reference number to the NSN other than a Service/Agency individual decision. (RNCC shall be used only in conjunction with RNVC 1.

9 - No Longer Used

Reference Number Variation Code (DRN_4780)


A specification, standard, or other reference number which is superseded, canceled, obsolete or discontinued and is coded Reference Number Category Code (RNCC) 5; a reference number for information only coded RNCC 6; or a reference number coded RNCC D.

1 - Incomplete Part Number

Reference Number Variation Code (DRN_4780)


A design control or other reference number that does NOT identify an item of production without the use of additional information, or a specific part, type, or similar reference number does NOT identify or item of supply without the use of additional information.


FLIS - SEG A - IDENTIFICATION | NSN 2925-00-142-8731 Submit RFQ
FSGFSCNIINFIIGINCCRITICALITYTYPE OF ITEMMRCDEMILHMICEDCPMICADPECDATE CREATED
292925001428731A1040000294XKBNP1 Jan 1963
Code Definitions

29

Federal Supply Group (FSG_3994/FSC_WI_FSG_3996)


Engine Accessories

2925

Federal Supply Class (FSC_3994/FSC_WI_FSC_3996)


Engine Electrical System Components, Aircraft Prime Moving

001428731

National Item Identification Number (NCB_CD_4130/I_I_NBR_4131)


NSN 2925-00-142-8731

A10400

Federal Item Identification Guide (FIIG_4065)

00294

Item Naming Code (INC_4080)

1 Jan 1963

NIIN Assignment Date (DT_NIIN_ASGMT_2180)

X

Item Criticality (CRITL_CD_FIIG_3843)


The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

K

Type of Item Identification (TYP_II_4820)


Full Descriptive - Reference Item Identification

B

Demilitarization Code (DEMIL_CD_0167)


MLI (Non-Significant Military Equipment – Non-SME) — Demilitarization not required — Trade Security Controls (TSCs) required at disposition.

N

Hazardous Material Indicator Code (HMIC_0865)


Indicates there is no data in the HMIRS and the NSN is in a FSC not generally suspected of containing hazardous materials.

P

Precious Metals Indicator Code (PMIC_0802)


Item contains platinum family metals.


FLIS - SEG B - MOE RULE DATA | NSN 2925-00-142-8731 Submit RFQ
MOE RuleFormer MOEAMCAMSCNIMSCIMCIMC ActivityAACDSORCollaboratorsReceiversEffective Date
ZH011 Apr 1991
ZU011 Apr 1991
Code Definitions

FLIS - SEG C - REFERENCE NUMBER | NSN 2925-00-142-8731 Submit RFQ
RNFCRNCCRNVCDACRNAACRNSCRNJCSADCMSDSHCCReference NumberCAGE
C15ZZ9XAC181  7X677   CAGE/7X677
Code Definitions

C

Reference Number Category Code (RNCC_2910)


Advisory Reference. A number assigned to an item of production or supply not included in the item-of-supply concept to which the NSN has been assigned (e.g., an item that may have been used in the preproduction equipment design which has since been redesigned or replaced). Use of this RNCC is restricted to conditions where cross-reference is required to establish identification to an item of supply. Additionally, there is not direct relationship of the reference number to the NSN other than a Service/Agency individual decision. (RNCC shall be used only in conjunction with RNVC 1.

1

Reference Number Variation Code (RNVC_4780)


A design control or other reference number that does NOT identify an item of production without the use of additional information, or a specific part, type, or similar reference number does NOT identify or item of supply without the use of additional information.

5

Document Availability Code (DAC_2640)


The reference number is represented by a drawing, but the drawing was not available to the RNAAC, who may or may not be the submitting activity, at the time of submission of the reference number.

ZZ

Reference Number Action Activity Code (RNAAC_2900)


USA

9X

Service / Agency Designator Code (SADC_4672)


GIRDER


FLIS - SEG E - ITEM STANDARDIZATION DATA | NSN 2925-00-142-8731 Submit RFQ
ISCOriginatorNIIN StatusReplaced / Replacement ISCReplaced / Replacement OriginatorReplacement NIIN StatusReplacement DateReplaced / Replacement NSNDecision Date
1TU03TU126 Jun 1986 2925000377707 26 Jun 1986
1TU03TU126 Jun 1986 2925002943890 26 Jun 1986
Code Definitions

1

Item Standardization Code (ISC_2650)


An item authorized for procurement as a result of a formal item reduction study and accepted as a replacement for one or more items not authorized for procurement. In addition, in generic relationships, a code 1 item is related to a code 2 item.

TU

Originator of Standardization Decision (ORG_STDZN_DEC_9325)


AF Cataloging Agent DLIS-K, Battle Creek, MI 49037-3094

0

NIIN Status Code (NIIN_STAT_CD_2670)


Item is active. File data coded KFD is forwarded. if this KFD data represents your item of supply, submit, if applicable, an LAD, LAU, or LCU transaction. Otherwise, use the National Stock Number (NSN) in your supply system.

3

Replaced / Replacement Item Standardization Code (ISC_2650)


An item which, as a result of a formal item reduction study, is accepted as not authorized for procurement.

1

Replaced / Replacement NIIN Status Code (NIIN_STAT_CD_2670)


Represents an item for which a U.S. activity proposed cancelled-invalid or cancelled-use action or that the NIIN Status Code be changed to 9, and one or more NATO/FC did not concur in the proposal. See volume 4, chapter 4.9.Item is restricted to North Atlantic Treaty Organization/foreign country (NATO/FC) use only.Represents an item for which a U.S. activity proposed cancelled-invalid or cancelled-use action or that the NIIN Status Code be changed to 9, and one or more NATO/FC did not concur in the proposal. Item is restricted to North Atlantic Treaty Organization/foreign country (NATO/FC) use only.

26 Jun 1986

Date of Replacement Standardization Decision (DT_STDZN_DEC_2300)

2925-00-037-7707

Replaced / Replacement NSN (RP_NSN_STD_RL_8977 / RPLM_NSN_STDZ_9525)

2925-00-294-3890

Replaced / Replacement NSN (RP_NSN_STD_RL_8977 / RPLM_NSN_STDZ_9525)

26 Jun 1986

Standardization Decision Date (DT_STDZN_DEC_2300)


FLIS - SEG G - FREIGHT DATA | NSN 2925-00-142-8731 Submit RFQ
IntegrityOriginatingHMCLCLWCCTCCSHCADCACCASHLTLNMFCNMFC Sub ItemUFCFreight DescriptionRail Variance
Code Definitions

XX

Originating Activity Code (ORIG_ACTY_CD_4210)


Rail Variance

Rail Variance (RAIL_VARI_CD_4760)


No Variation. NMFC and UFCC Match.


FLIS - SEG M/V - CHARACTERISTICS DATA | NSN 2925-00-142-8731 Submit RFQ
MRCDecoded RequirementClear Text Reply
AYGAElectrode StyleTWO FLAT GROUND ELECTRODE
AAQLBody StyleELECTRICALLY SHIELDED, FULL INSULATOR, GASKET SEAT
AFYVDc Resistance Rating In Ohms1500.0 NOMINAL
AYGJHeight Above Mounting Surface2.188 INCHES MINIMUM AND 2.312 INCHES MAXIMUM
AYGFMean Effective Pressure Rating340.0 POUNDS PER SQUARE INCH NOMINAL
AHPMReach Length0.792 INCHES MINIMUM AND 0.812 INCHES MAXIMUM
AYGHSeat Major Diameter0.960 INCHES NOMINAL
AYGMShield Thread Length0.375 INCHES NOMINAL
ALBYUsage DesignAIRCRAFT ENGINE
ASDBWidth Across Flats0.870 INCHES MINIMUM AND 0.878 INCHES MAXIMUM
AYGPTerminal Sleeve Inside Diameter0.378 INCHES MINIMUM AND 0.388 INCHES MAXIMUM
AYGBThread Size And Series/Type Designator And Location18-1.5MM BASE ERR-100
AYGBThread Size And Series/Type Designator And Location5/8-24 UNEF SHIELDING ERR-100
AYGLTop To Shield Thread Distance0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM
AYGKTop To Terminal Contact Distance1.000 INCHES MINIMUM AND 1.070 INCHES MAXIMUM


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