# NSN 5305-01-666-9045: Screw, Shoulder

NSN 5305-01-666-9045 (also written 5305016669045; NIIN 01-666-9045) is a screw, shoulder in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-666-9045 (5305016669045)
- NIIN: 01-666-9045 (016669045)
- Item name: SCREW,SHOULDER
- Federal Supply Class: [FSC 5305 Screws](https://nsnexplorer.com/fsc/5305/)
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 01-575-0951 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AATX | SHOULDER LENGTH | ALL SHOULDERS INCHES NOMINAL 1.500 |
| AATN | SHOULDER DIAMETER | ALL SHOULDERS INCHES NOMINAL 0.477 |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.729 AND INCHES MAXIMUM 0.750 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.302 AND INCHES MAXIMUM 0.312 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.595 AND INCHES MAXIMUM 0.625 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 2.110 |
| AASK | HEAD STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.375 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CSYT | CHAMFER ANGLE | DEGREES MINIMUM 30.0 AND DEGREES MAXIMUM 45.0 |
| CWYB | SHOULDER SHAPE | ALL SHOULDERS ROUND |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE NAS-21472 |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- B633, TYE II, CLASS FE TO ZN 5 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS-51975 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS51975-31P | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [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=5305016669045&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016669045
- 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/5305-01-666-9045/
JSON: https://nsnexplorer.com/api/nsn/5305-01-666-9045.json