# NSN 5310-00-244-4002: Washer, Spring Tension

NSN 5310-00-244-4002 (also written 5310002444002; NIIN 00-244-4002) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-244-4002 (5310002444002)
- NIIN: 00-244-4002 (002444002)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL STEEL COMP 1095 |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| HUES | COLOR | OVERALL BLUE |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.964 AND INCHES MAXIMUM 1.974 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 46.0 AND ROCKWELL C MAXIMUM 50.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-7947 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.1505 AND INCHES MAXIMUM 0.1565 |
| STYL | STYLE DESIGNATOR | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.995 AND INCHES MAXIMUM 1.005 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.0981 AND INCHES MAXIMUM 0.0985 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 532157-13 | 70210 | HONEYWELL INTERNATIONAL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BS50-25-4-2-5 | 05341 | BEARING ENGINEERS INC DBA MOTION SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS4105-134 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS4105-134 | 05341 | BEARING ENGINEERS INC DBA MOTION SOLUTIONS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HS4105-134 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| OSS4105-134 | 1YQE8 | ALLIANT TECHSYSTEMS OPERATIONS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| OSS4105-134 | 8KP69 | NORTHROP GRUMMAN SYSTEMS CORP | [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=5310002444002&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310002444002
- 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/5310-00-244-4002/
JSON: https://nsnexplorer.com/api/nsn/5310-00-244-4002.json