# NSN 5310-00-672-5720: Washer, Spring Tension

NSN 5310-00-672-5720 (also written 5310006725720; NIIN 00-672-5720) 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 Sep 2026.

## Identification

- NSN: 5310-00-672-5720 (5310006725720)
- NIIN: 00-672-5720 (006725720)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.008 |
| AAUB | HOLE DIAMETER | INCHES NOMINAL 0.125 |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.516 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.032 |
| MATT | MATERIAL | OVERALL COPPER ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 913-655 | 10639 | AVIONICS SPECIALTIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 913-655 | 98810 | AEROSONIC LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-14 | [SPE4A626P0S12](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006725720) | WASHER, SPRING TENSI | CARP INDUSTRIES CORP DBA CARP COASTAL MARINE & RV | $1,818.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006725720&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006725720
- 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/5310-00-672-5720/
JSON: https://nsnexplorer.com/api/nsn/5310-00-672-5720.json