# NSN 5310-01-657-0238: Nut, Plain, Extended Washer, Hexago

NSN 5310-01-657-0238 (also written 5310016570238; NIIN 01-657-0238) is a nut, plain, extended washer, hexago 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: 5310-01-657-0238 (5310016570238)
- NIIN: 01-657-0238 (016570238)
- Item name: NUT,PLAIN,EXTENDED WASHER,HEXAGO
- 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 |
| --- | --- | --- |
| ACTA | NUT STYLE | — |
| AGAV | END ITEM IDENTIFICATION | 3930-01-522-7364 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | ADJUSTING NUT |
| FEAT | SPECIAL FEATURES | CAGE 3S597 DOES NOT SELL TO THE GOVERNMENT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 71.2702.4 | 3S597 | KESSLER INTL CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 71.2702.4 | 7AYE6 | KTSDI LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $52.85 | 4 | 9RU99 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016570238) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A626V390U](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016570238) | NUT, PLAIN, EXTENDED WASHER, HEXAGON | — | $211.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016570238&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016570238
- 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/5310-01-657-0238/
JSON: https://nsnexplorer.com/api/nsn/5310-01-657-0238.json