| Manufacturer Part Number | RNCC | RNVC | Manufacturer Name | CAGE | |
|---|---|---|---|---|---|
| 51B221-7H | 3 - Design Control Reference | 9 - No Longer Used | NORTHROP GRUMMAN SYSTEMS CORPORATION | 76823 | |
| 51B221-7H | C - Advisory Reference | 1 - Incomplete Part Number | NORTHROP GRUMMAN TECHNICAL SERVICES, | 0JRC1 | |
| 51B221-7H | C - Advisory Reference | 1 - Incomplete Part Number | NORTHROP GRUMMAN TECHNICAL SERVICES, | 0JRC1 | |
| 51B221-7H | C - Advisory Reference | 1 - Incomplete Part Number | NORTHROP GRUMMAN TECHNICAL SERVICES, | 0JRC1 | |
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.
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.
A specification, standard, or other reference number which is superseded, canceled, obsolete or discontinued and is coded Reference Number Category Code (RNCC) 5; a reference number for information only coded RNCC 6; or a reference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.
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.
| FSG | FSC | NIIN | FIIG | INC | CRITICALITY | TYPE OF ITEM | MRC | DEMIL | HMIC | EDC | PMIC | ADPEC | DATE CREATED |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 53 | 5305 | 007321077 | A500D0 | 06657 | X | K | A | N | U | 1 Jan 1961 |
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Full Descriptive - Reference Item Identification
Non-MLI/ Non-SLI — Demilitarization not required.
Indicates there is no data in the HMIRS and the NSN is in a FSC not generally suspected of containing hazardous materials.
Precious Metal Content is unknown.
| MOE Rule | Former MOE | AMC | AMSC | NIMSC | IMC | IMC Activity | AAC | DSOR | Collaborators | Receivers | Effective Date | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| YB01 | 1 Apr 1991 | |||||||||||||||||||||||||||||
| ZT01 | 1 Nov 1994 | |||||||||||||||||||||||||||||
| YA01 | 1 Sep 2000 | |||||||||||||||||||||||||||||
| ZW01 | 1 Nov 2005 | |||||||||||||||||||||||||||||
| RNFC | RNCC | RNVC | DAC | RNAAC | RNSC | RNJC | SADC | MSDS | HCC | Reference Number | CAGE | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | 1 | 5 | ZZ | 9X | 51B221-7H | 0JRC1 | | |||||
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.
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.
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.
USA
GIRDER
| ISC | Originator | NIIN Status | Replaced / Replacement ISC | Replaced / Replacement Originator | Replacement NIIN Status | Replacement Date | Replaced / Replacement NSN | Decision Date |
|---|---|---|---|---|---|---|---|---|
| C | KZ | 0 | 29 Apr 1971 |
An item authorized for procurement that has been included in an item reduction study but an intelligent decision could not be made due to lack of sufficient technical data.
Defense Supply Center Philadelphia, Philadelphia, PA 19101
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.
| Integrity | Originating | HMC | LCL | WCC | TCC | SHC | ADC | ACC | ASH | LTL | NMFC | NMFC Sub Item | UFC | Freight Description | Rail Variance |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| U | 713 | Z | 9 | A | B | Z | W | 093486 | Z | 48950 | BOLTS-NUTS-OR-SCREWS--NOI--SUB-3- |
50
Metal Hardware
No special type of cargo code applicable
No special handling required
Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
No special handling required.
Variable Rating
No Variation. NMFC and UFCC Match.
| MRC | Decoded Requirement | Clear Text Reply |
|---|---|---|
| AASB | Fastener Length | 0.714 INCHES NOMINAL |
| AASL | Head Diameter | 0.351 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
| AASU | Head Height | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AASK | Head Style | PAN |
| CQBC | Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH |
| AHYM | Nominal Thread Diameter | 0.190 INCHES |
| ABQZ | Internal Drive Style | TORQUE SET |
| CYAU | Screw Material | STEEL |
| CYBE | Screw Surface Treatment Document And Classification | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES |
| CYBA | Screw Surface Treatment | CADMIUM AND CHROMATE |
| CYBK | Shank Surface Finish | 32.0 MICROINCHES |
| ZZZK | Specification/Standard Data | 76823-51B221 MANUFACTURERS STANDARD |
| AAJD | Thread Class | 3A |
| AAJF | Thread Direction | RIGHT-HAND |
| AASA | Thread Length | 0.276 INCHES MINIMUM |
| THSD | Thread Series Designator | UNF |
| CMLP | Thread Quantity Per Inch | 32 |