# NSN 5310-01-556-6240: Nut, Plain, Assembled Washer

NSN 5310-01-556-6240 (also written 5310015566240; NIIN 01-556-6240) is a nut, plain, assembled washer in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-556-6240 (5310015566240)
- NIIN: 01-556-6240 (015566240)
- Item name: NUT,PLAIN,ASSEMBLED WASHER
- 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 |
| --- | --- | --- |
| AAJD | THREAD CLASS | 6H |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVX | WASHER OUTSIDE DIAMETER | MILLIMETERS MINIMUM 10.80 AND MILLIMETERS MAXIMUM 11.20 |
| ABKW | OVERALL HEIGHT | MILLIMETERS MINIMUM 6.00 AND MILLIMETERS MAXIMUM 6.30 |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | MILLIMETERS MINIMUM 4.7 AND MILLIMETERS MAXIMUM 5.0 |
| AGAV | END ITEM IDENTIFICATION | MRAP - UNIQUE NSN - USED ON 2 MRAP VARIANTS; MAXXPRO DASH ISS W/CROWS AND W/OGPK |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 9.78 AND MILLIMETERS MAXIMUM 10.00 |
| BZRR | THREAD SERIES | M |
| CQJX | NOMINAL THREAD SIZE | MILLIMETERS 6.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, M6 KEPS |
| FEAT | SPECIAL FEATURES | FREE SPINNING WASHER |
| MATT | MATERIAL | OVERALL STEEL |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| SFTT | SURFACE TREATMENT | OVERALL ZINC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12759-00539 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 34863 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3608911C1 | 338X5 | ND DEFENSE LLC | [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=5310015566240&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015566240
- 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/5310-01-556-6240/
JSON: https://nsnexplorer.com/api/nsn/5310-01-556-6240.json