# NSN 5305-01-527-7998: Screw, Cap, Socket Head

NSN 5305-01-527-7998 (also written 5305015277998; NIIN 01-527-7998) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-527-7998 (5305015277998)
- NIIN: 01-527-7998 (015277998)
- Item name: SCREW,CAP,SOCKET HEAD
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AASU | HEAD HEIGHT | INCHES NOMINAL 1.500 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| MATT | MATERIAL | FASTENER NICKEL ALLOY K-500 |
| AASL | HEAD DIAMETER | INCHES NOMINAL 2.250 |
| AASK | HEAD STYLE | — |
| AASB | FASTENER LENGTH | INCHES NOMINAL 5.000 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 3.750 |
| AAJD | THREAD CLASS | 2A |
| AAUM | LOCKING FEATURE | THREADS PELLET |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | HUB ASSEMBLY |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 1.500 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 1.000 |
| CMLP | THREAD QUANTITY PER INCH | 6 |
| FEAT | SPECIAL FEATURES | LOCKING FEATURE NYLON PELLETS IN 2 LOCATIONS IN THE THREADS |
| MATT | MATERIAL | LOCKING FEATURE PLASTIC NYLON |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FASTENER FED SPEC SINGLE MATERIAL RESPONSE QQ-N-286 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 112532030 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 112552000 FN 19 | 07309 | BIRD-JOHNSON PROPELLER COMPANY, LLC | [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=5305015277998&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305015277998
- 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/5305-01-527-7998/
JSON: https://nsnexplorer.com/api/nsn/5305-01-527-7998.json