# NSN 5305-00-299-2789: Screw, Cap, Hexagon Head

NSN 5305-00-299-2789 (also written 5305002992789; NIIN 00-299-2789) is a screw, cap, hexagon head in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-00-299-2789 (5305002992789)
- NIIN: 00-299-2789 (002992789)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CMLP | THREAD QUANTITY PER INCH | 7 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| CQHQ | MINIMUM YIELD STRENGTH | POUNDS PER SQUARE INCH 40000 |
| AAJD | THREAD CLASS | 2A |
| AASB | FASTENER LENGTH | INCHES NOMINAL 4.000 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 1.631 AND INCHES MAXIMUM 1.688 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE 1 AND GRADE 400 |
| CBBL | FEATURES PROVIDED | FINISHED HEAD |
| AASK | HEAD STYLE | — |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 80000 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL B MINIMUM 80.0 |
| AASA | THREAD LENGTH | INCHES MINIMUM 2.500 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 1.125 |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 400 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-N-281 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.658 AND INCHES MAXIMUM 0.718 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M1222RN18C264NANN | 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/) |
| MIL-DTL-1222 | 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/) |
| MIL-S-1222 | 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/) |
| TYPE 1 1.125-7 UNC-2A X 4 IN. LG | 8B865 | J & S PRECISION PRODUCTS CO (INC) | [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=5305002992789&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305002992789
- 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/5305-00-299-2789/
JSON: https://nsnexplorer.com/api/nsn/5305-00-299-2789.json