# NSN 5305-00-492-8689: Screw, Cap, Socket Head

NSN 5305-00-492-8689 (also written 5305004928689; NIIN 00-492-8689) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-00-492-8689 (5305004928689)
- NIIN: 00-492-8689 (004928689)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 160000 |
| AASK | HEAD STYLE | — |
| ABQZ | INTERNAL DRIVE STYLE | — |
| MATT | MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5000 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-8503 OR MIL SPEC 4TH MATERIAL RESPONSE -IL-S-6098 OR MIL SPEC 5TH MATERIAL RESPONSE -IL-S-6049 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 43.0 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.188 AND INCHES MAXIMUM 0.190 |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| AASL | HEAD DIAMETER | INCHES MAXIMUM 0.375 |
| CQHQ | MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 130000 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.625 |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.562 |
| AASU | HEAD HEIGHT | INCHES MAXIMUM 0.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 509440-45 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [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=5305004928689&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305004928689
- 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/5305-00-492-8689/
JSON: https://nsnexplorer.com/api/nsn/5305-00-492-8689.json