# NSN 5305-01-556-0498: Setscrew

NSN 5305-01-556-0498 (also written 5305015560498; NIIN 01-556-0498) is a setscrew in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5305-01-556-0498 (5305015560498)
- NIIN: 01-556-0498 (015560498)
- Item name: SETSCREW
- 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 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE ANSI TO AS-E B18.3 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AGAV | END ITEM IDENTIFICATION | NHA: HYD COMPENSATOR ASSEMBLY |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.250 |
| MATT | MATERIAL | OVERALL STEEL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SOCKET SET SCREW |
| FEAT | SPECIAL FEATURES | EA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 90251A550 | 3A054 | MCMASTER-CARR SUPPLY CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M2-27-T-0510 | 146 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305015560498&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305015560498&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305015560498
- 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/5305-01-556-0498/
JSON: https://nsnexplorer.com/api/nsn/5305-01-556-0498.json