# NSN 5310-01-155-3898: Washer, Spring Tension

NSN 5310-01-155-3898 (also written 5310011553898; NIIN 01-155-3898) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-155-3898 (5310011553898)
- NIIN: 01-155-3898 (011553898)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | MILLIMETERS NOMINAL 6.4 |
| ABKV | OUTSIDE DIAMETER | MILLIMETERS NOMINAL 12.0 |
| ABKW | OVERALL HEIGHT | MILLIMETERS MINIMUM 1.3 AND MILLIMETERS MAXIMUM 2.6 |
| ABPX | MATERIAL THICKNESS | MILLIMETERS NOMINAL 0.5 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 43.0 AND ROCKWELL C MAXIMUM 50.0 |
| MATT | MATERIAL | OVERALL STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10501760 | 56161 | GENERAL DYNAMICS LAND SYSTEMS CANADACORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DIN137-A2L-B6 | D8286 | DIN DEUTSCHES INSTITUT FUR NORMUNG EV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-11 | $0.26 | 4,525 | KAREN CARLISLE DBA B & K AEROSPACE | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011553898) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE4A626V302U](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011553898) | WASHER, SPRING TENSION | KAREN CARLISLE DBA B & K AEROSPACE | $1,176.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011553898&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011553898
- 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/5310-01-155-3898/
JSON: https://nsnexplorer.com/api/nsn/5310-01-155-3898.json