# NSN 5310-01-407-4989: Nut, Plain, Assembled Washer

NSN 5310-01-407-4989 (also written 5310014074989; NIIN 01-407-4989) is a nut, plain, assembled washer in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-407-4989 (5310014074989)
- NIIN: 01-407-4989 (014074989)
- 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: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES MINIMUM 1.253 AND INCHES MAXIMUM 1.283 |
| AAWY | COUNTERBORE DIAMETER | WASHER INCHES MINIMUM 0.905 AND INCHES MAXIMUM 0.915 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.911 AND INCHES MAXIMUM 0.951 |
| ACTA | NUT STYLE | — |
| ADFK | NUT COUNTERBORE DEPTH | WASHER INCHES MINIMUM 0.430 AND INCHES MAXIMUM 0.450 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.052 AND INCHES MAXIMUM 1.064 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.750 |
| MATT | MATERIAL | WASHER STEEL CORROSION RESISTING |
| MATT | MATERIAL | NUT STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | WASHER MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-5059 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5510 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5731 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737 |
| PMLC | PRECIOUS MATERIAL AND LOCATION | SILVER NUT SURFACES |
| PRMT | PRECIOUS MATERIAL | SILVER |
| SFTT | SURFACE TREATMENT | NUT SILVER |
| SFTT | SURFACE TREATMENT | WASHER ANODIZE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE TREATMENT RESPONSE A-S 2410 OR FED SPEC SINGLE TREATMENT RESPONSE QQ-S-365 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | WASHER MIL SPEC SINGLE TREATMENT RESPONSE -IL-A-8625 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| SS5092-12CW | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SS5092-12CW | 78286 | SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP | [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=5310014074989&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310014074989
- 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/5310-01-407-4989/
JSON: https://nsnexplorer.com/api/nsn/5310-01-407-4989.json