# NSN 5307-01-043-9993: Stud, Shouldered And Stepped

NSN 5307-01-043-9993 (also written 5307010439993; NIIN 01-043-9993) is a stud, shouldered and stepped in Federal Supply Class 5307, Studs. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5307-01-043-9993 (5307010439993)
- NIIN: 01-043-9993 (010439993)
- Item name: STUD,SHOULDERED AND STEPPED
- Federal Supply Class: [FSC 5307 Studs](https://nsnexplorer.com/fsc/5307/)
- 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 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | STUD THREAD RIGHT-HAND |
| AAJF | THREAD DIRECTION | NUT THREAD RIGHT-HAND |
| AASA | THREAD LENGTH | STUD THREAD INCHES MINIMUM 0.458 AND INCHES MAXIMUM 0.478 |
| AASA | THREAD LENGTH | NUT THREAD INCHES MINIMUM 0.380 AND INCHES MAXIMUM 0.400 |
| AAVH | SHOULDER DIAMETER | INCHES MINIMUM 0.563 AND INCHES MAXIMUM 0.583 |
| AAVK | SHOULDER LENGTH | INCHES MINIMUM 0.005 AND INCHES MAXIMUM 0.025 |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 1.655 AND INCHES MAXIMUM 1.675 |
| ADDB | NUT END SHANK LENGTH | INCHES MINIMUM 0.277 AND INCHES MAXIMUM 0.297 |
| ADDU | DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | FIRST HOLE INCHES NOMINAL 0.151 AND INCHES NOMINAL 1.446 |
| ADDV | COTTER PIN HOLE DIAMETER | FIRST HOLE INCHES MINIMUM 0.076 AND INCHES MINIMUM 0.086 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | STUD THREAD INCHES 0.3125 |
| CSXH | STUD END SHANK DIAMETER | INCHES NOMINAL 0.311 |
| CSYM | SURFACE FINISH | OVERALL MICROINCHES 63.0 |
| CTDT | NUT END SHANK DIAMETER | INCHES NOMINAL 0.249 |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | STUD THREAD UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 16W551-7 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 16W551-7 | T0544 | TUSAS - TURK HAVACILIK VE UZAY SANAYII ANONIM SIRKETI | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5307PL0646462 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-18 | [SPE4A626PAZS7](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5307010439993) | STUD, SHOULDERED AND | SKYSPARES PARTS INC | $15,705.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5307010439993&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5307010439993
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5307-01-043-9993/
JSON: https://nsnexplorer.com/api/nsn/5307-01-043-9993.json