# NSN 5305-00-857-2521: Screw, Machine

NSN 5305-00-857-2521 (also written 5305008572521; NIIN 00-857-2521) is a screw, machine in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5305-00-857-2521 (5305008572521)
- NIIN: 00-857-2521 (008572521)
- Item name: SCREW,MACHINE
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.573 AND INCHES MAXIMUM 0.635 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.615 AND INCHES MAXIMUM 0.635 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.146 AND INCHES MAXIMUM 0.166 |
| AATB | WIDTH BETWEEN FLATS | INCHES MINIMUM 0.367 AND INCHES MAXIMUM 0.376 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.190 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 32.0 AND ROCKWELL C MAXIMUM 36.0 |
| CYAU | SCREW MATERIAL | STEEL COMP 601 |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S 6304 |
| CYBA | SCREW SURFACE TREATMENT | NICKEL AND CADMIUM |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASSN STD ALL TREATMENT RESPONSES A-S 2416 |
| THSD | THREAD SERIES DESIGNATOR | UNS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS9316-05 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-25 | [SPE4A626V329N](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305008572521) | SCREW, MACHINE | STANDARD AERO PARTS, INC | $5,361.92 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305008572521&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305008572521
- 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/5305-00-857-2521/
JSON: https://nsnexplorer.com/api/nsn/5305-00-857-2521.json