# NSN 5325-00-541-0644: Insert, Screw Thread

NSN 5325-00-541-0644 (also written 5325005410644; NIIN 00-541-0644) is an insert, screw thread in Federal Supply Class 5325, Fastening Devices. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5325-00-541-0644 (5325005410644)
- NIIN: 00-541-0644 (005410644)
- Item name: INSERT,SCREW THREAD
- Federal Supply Class: [FSC 5325 Fastening Devices](https://nsnexplorer.com/fsc/5325/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-11-04)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| BZGJ | INSERT SIZE | 0.750-16 UNF CLASS 3A |
| MATT | MATERIAL | OVERALL STEEL |
| STYL | STYLE DESIGNATOR | — |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION |
| ABRY | LENGTH | INCHES NOMINAL 0.610 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 309936 | 04861 | COOPER INDUSTRIES INC COOPER PETROLEUM EQUIPMENT DIV SUNNYVALE OPERATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309936 | 0A0B7 | MAINSTREAM ENGINEERING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309936 | 11449 | TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309936 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309936 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-13 | [SPETA626P0050](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325005410644) | INSERT, SCREW THREAD | HD AERO SUPPORT, INC. DBA HD AERO SUPPORT | $933.00 |
| 2026-08-12 | [SPE4A026P2410](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325005410644) | INSERT, SCREW THREAD | — | $100.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5325005410644&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5325005410644
- 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/5325-00-541-0644/
JSON: https://nsnexplorer.com/api/nsn/5325-00-541-0644.json