# NSN 5305-01-630-6431: Screw, Close Tolerance

NSN 5305-01-630-6431 (also written 5305016306431; NIIN 01-630-6431) is a screw, close tolerance in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-630-6431 (5305016306431)
- NIIN: 01-630-6431 (016306431)
- Item name: SCREW,CLOSE TOLERANCE
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES NOMINAL 0.963 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.125 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.256 AND INCHES MAXIMUM 0.270 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.087 AND INCHES MAXIMUM 0.097 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.136 AND INCHES MAXIMUM 0.137 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.138 |
| ANEE | GRIP LENGTH | INCHES NOMINAL 0.062 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW PAN HEAD CAPTIVE |
| MATT | MATERIAL | OVERALL STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 304L OR STEEL COMP 310 OR STEEL COMP 316 OR STEEL COMP 316L OR STEEL COMP 317 OR STEEL COMP 321 OR STEEL COMP 347 OR STEEL COMP 309 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA21062-06-2-18 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [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=5305016306431&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016306431
- 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/5305-01-630-6431/
JSON: https://nsnexplorer.com/api/nsn/5305-01-630-6431.json