Manufacturer Part Number | RNCC | RNVC | Manufacturer Name | CAGE | |
---|---|---|---|---|---|
PN4121 | 3 - Design Control Reference | 9 - No Longer Used | FAIRCHILD SEMICONDUCTOR CORP | 13715 | ![]() |
2N4121 | 5 - Replaced / Discontinued | 9 - No Longer Used | CENTRAL SEMICONDUCTOR CORP. | 55464 | ![]() |
263-10-41210 | E - Replace Reference Number | 8 - Replacement NSN | L-3 COMMUNICATIONS CORPORATION | 06141 | ![]() |
263-97-41210 | E - Replace Reference Number | 8 - Replacement NSN | L-3 COMMUNICATIONS CORPORATION | 06141 | ![]() |
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.
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.
Replaced Reference Number. A manufacturerÆs part number, government specification/standard or other design control reference number that is superseded, discontinued or replaced resulting from a cancel-use action on a NSN which was recorded with ISC 3 or E. This reference number is automatically moved and this code is automatically assigned, do not submit for cataloging purposes.
A specification, standard, or other reference number which is superseded, canceled, obsolete or discontinued and is coded Reference Number Category Code (RNCC) 5; a reference number for information only coded RNCC 6; or a reference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 non-item-identifying reference number that is added to a replacement NSN as a result of a cancel-use action on a NSN recorded with ISC 3 or E. It is used to indentify the original item of supply/replaced item. This reference number is automatically moved and this code is automatically assigned, do not submit for cataloging purposes.
NSN Center Does Not Have An Explanation