# NSN 5310-00-007-6542: Washer, Spring Tension

NSN 5310-00-007-6542 (also written 5310000076542; NIIN 00-007-6542) is a washer, spring tension in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-007-6542 (5310000076542)
- NIIN: 00-007-6542 (000076542)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 2.970 AND INCHES MAXIMUM 2.990 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 3.310 AND INCHES MAXIMUM 3.330 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.095 AND INCHES MAXIMUM 0.105 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.045 AND INCHES MAXIMUM 0.055 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 40.0 AND ROCKWELL C MAXIMUM 50.0 |
| MATT | MATERIAL | OVERALL STEEL OR STEEL COMP 1075 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC ALL MATERIAL RESPONSES -IL-S-46049 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 68420 | 93835 | PARKER HANNIFIN CORPORATION DIV HYDRAULIC SYSTEMS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-21 | $39.00 | 22 | AVIARMS SUPPORT CORP | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000076542) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE4A526P8195](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000076542) | WASHER, SPRING TENSION | AVIARMS SUPPORT CORP | $858.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310000076542&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000076542
- 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/5310-00-007-6542/
JSON: https://nsnexplorer.com/api/nsn/5310-00-007-6542.json