# NSN 5305-01-721-3299: Screw, Cap, Hexagon Head

NSN 5305-01-721-3299 (also written 5305017213299; NIIN 01-721-3299) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-721-3299 (5305017213299)
- NIIN: 01-721-3299 (017213299)
- Item name: SCREW,CAP,HEXAGON 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 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AASK | HEAD STYLE | — |
| AASB | FASTENER LENGTH | INCHES NOMINAL 8.500 |
| AASA | THREAD LENGTH | INCHES NOMINAL 3.000 |
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 7 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 130000 |
| CQHQ | MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 85000 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.810 AND INCHES MAXIMUM 0.878 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 1.994 AND INCHES MAXIMUM 2.062 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 1.375 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HEX CAP SCREW |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 581-8843219-73 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LOA037021-72 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M1222RN22C2136NCNN | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R6111401-73 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT | [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=5305017213299&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305017213299
- 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/5305-01-721-3299/
JSON: https://nsnexplorer.com/api/nsn/5305-01-721-3299.json