# NSN 5310-00-558-3307: Washer, Spring Tension

NSN 5310-00-558-3307 (also written 5310005583307; NIIN 00-558-3307) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-558-3307 (5310005583307)
- NIIN: 00-558-3307 (005583307)
- Item name: WASHER,SPRING TENSION
- 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 |
| --- | --- | --- |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.015 AND INCHES MAXIMUM 0.035 |
| MATT | MATERIAL | OVERALL STEEL COMP 1095 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.110 AND INCHES MAXIMUM 0.130 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.672 AND INCHES MAXIMUM 0.682 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.900 AND INCHES MAXIMUM 0.920 |
| CQFM | HARDNESS RATING | ROCKWELL SUPERFICIAL 15-N MINIMUM 81.0 AND ROCKWELL SUPERFICIAL 15-N MAXIMUM 84.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE SAE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 56524 | 70210 | HONEYWELL INTERNATIONAL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 56524 | 72599 | ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO | [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=5310005583307&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005583307
- 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/5310-00-558-3307/
JSON: https://nsnexplorer.com/api/nsn/5310-00-558-3307.json