# NSN 5305-01-288-1414: Screw, Cap, Socket Head

NSN 5305-01-288-1414 (also written 5305012881414; NIIN 01-288-1414) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-01-288-1414 (5305012881414)
- NIIN: 01-288-1414 (012881414)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 2.497 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 3.000 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES NOMINAL 1.000 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.311 AND INCHES MAXIMUM 0.331 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | NSN 2330-01-275-7474 HEMAT TRAILER |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.625 |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 0.375 |
| CMLP | THREAD QUANTITY PER INCH | 11 |
| MATT | MATERIAL | OVERALL STEEL |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 31000-539 | 30003 | NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 91255A999 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B31000-539 | 39428 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SW25348-2 | 98255 | DRS SUSTAINMENT SYSTEMS, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE4A626V223K](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305012881414) | SCREW, CAP, SOCKET HE | KAREN CARLISLE DBA B & K AEROSPACE | $874.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305012881414&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305012881414
- 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/5305-01-288-1414/
JSON: https://nsnexplorer.com/api/nsn/5305-01-288-1414.json