# NSN 5315-01-185-2961: Pin, Shoulder, Headless

NSN 5315-01-185-2961 (also written 5315011852961; NIIN 01-185-2961) is a pin, shoulder, headless in Federal Supply Class 5315, Nails, Machine Keys, and Pins. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5315-01-185-2961 (5315011852961)
- NIIN: 01-185-2961 (011852961)
- Item name: PIN,SHOULDER,HEADLESS
- Federal Supply Class: [FSC 5315 Nails, Machine Keys, and Pins](https://nsnexplorer.com/fsc/5315/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGZ | FIRST END STYLE | — |
| AAHP | SECOND END STYLE | — |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.380 |
| AATR | SHANK LENGTH | INCHES NOMINAL 0.220 |
| AAVH | SHOULDER DIAMETER | INCHES MINIMUM 0.9091 AND INCHES MAXIMUM 0.9098 |
| AAZE | SHANK DIAMETER | INCHES NOMINAL 0.879 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 3.300 |
| ABRB | HOLE ARRANGEMENT STYLE | — |
| ABRC | FIRST HOLE DIAMETER | INCHES MINIMUM 0.124 AND INCHES MAXIMUM 0.129 |
| ABRD | SECOND HOLE DIAMETER | INCHES MINIMUM 0.191 AND INCHES MAXIMUM 0.198 |
| ABRE | DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN | INCHES NOMINAL 0.220 |
| ABRF | CENTER TO CENTER DISTANCE BETWEEN HOLES | INCHES MINIMUM 2.536 AND INCHES MAXIMUM 2.539 |
| AKTX | FIRST END COUNTERBORE DIAMETER | INCHES MINIMUM 0.331 AND INCHES MAXIMUM 0.338 |
| AKTY | SECOND END COUNTERBORE DIAMETER | INCHES MINIMUM 0.374 AND INCHES MAXIMUM 0.381 |
| AKTZ | FIRST END COUNTERBORE DEPTH | INCHES NOMINAL 0.590 |
| AKVA | SECOND END COUNTERBORE DEPTH | INCHES NOMINAL 0.740 |
| AMFM | SECOND END TAPER LENGTH | INCHES NOMINAL 0.070 |
| CQBB | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.375 |
| CRDY | FIRST END LOCATION | THREADED END |
| CSYM | SURFACE FINISH | OUTSIDE DIAMETER MICROINCHES 16.0 |
| CSYM | SURFACE FINISH | BOTH ENDS MICROINCHES 32.0 |
| CTHC | SECOND END TAPER ANGLE | DEGREES MINIMUM 40.0 AND DEGREES MAXIMUM 50.0 |
| FEAT | SPECIAL FEATURES | SECOND HOLE ELONGATED TO 0.240 IN. NOM LG PARALLEL WITH PIN CENTERLINE |
| MATT | MATERIAL | OVERALL STEEL COMP E4340 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5000 COND E-4 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4J33178-105B | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4J33178-105C | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5315011852961&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5315011852961
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5315-01-185-2961/
JSON: https://nsnexplorer.com/api/nsn/5315-01-185-2961.json