# NSN 5305-01-163-8242: Thumbscrew

NSN 5305-01-163-8242 (also written 5305011638242; NIIN 01-163-8242) is a thumbscrew in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5305-01-163-8242 (5305011638242)
- NIIN: 01-163-8242 (011638242)
- Item name: THUMBSCREW
- 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 | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.830 AND INCHES MAXIMUM 0.850 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 1.300 AND INCHES MAXIMUM 1.320 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.800 AND INCHES MAXIMUM 0.820 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 1.490 AND INCHES MAXIMUM 1.510 |
| AAUY | POINT LENGTH | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.260 |
| ABQJ | POINT STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.500 |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| MATT | MATERIAL | OVERALL IRON CAST |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MFR REF SINGLE MATERIAL RESPONSE 1E424-B,FSC- 11083 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 6D1746 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7LX21D0087/SPE7LX26FBR32](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011638242) | THUMBSCREW | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $48.11 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011638242&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011638242
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5305-01-163-8242/
JSON: https://nsnexplorer.com/api/nsn/5305-01-163-8242.json