# NSN 5310-00-570-0404: Washer, Key

NSN 5310-00-570-0404 (also written 5310005700404; NIIN 00-570-0404) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-570-0404 (5310005700404)
- NIIN: 00-570-0404 (005700404)
- Item name: WASHER,KEY
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.276 AND INCHES MAXIMUM 0.296 |
| MATT | MATERIAL | OVERALL STEEL |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.416 |
| NRAC | DISTANCE FROM CENTERLINE TO END OF KEY | INCHES MINIMUM 0.349 AND INCHES MAXIMUM 0.369 |
| STYL | STYLE DESIGNATOR | — |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.110 AND INCHES MAXIMUM 0.140 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.057 AND INCHES MAXIMUM 0.067 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5062 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 707763 | 0ZTJ5 | AERO PRECISION INDUSTRIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 707763 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4AX25D9402/SPE4AX26F490W](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005700404) | WASHER, KEY | INTERTRADE LIMITED DIV COLLINS AEROSPACE - AFTERMARKET | $2,242.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310005700404&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005700404
- 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/5310-00-570-0404/
JSON: https://nsnexplorer.com/api/nsn/5310-00-570-0404.json