# NSN 5310-01-257-1065: Nut, Plain, Hexagon

NSN 5310-01-257-1065 (also written 5310012571065; NIIN 01-257-1065) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 2026.

## Identification

- NSN: 5310-01-257-1065 (5310012571065)
- NIIN: 01-257-1065 (012571065)
- Item name: NUT,PLAIN,HEXAGON
- 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 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.600 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.269 AND INCHES MAXIMUM 1.312 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.875 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MFR REF SINGLE MATERIAL RESPONSE 10705BV,CAGEC 90099 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1664C21H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE4A122G0004/SPE4A526F1269](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012571065) | NUT, PLAIN, HEXAGON | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | $3,720.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012571065&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012571065
- 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/5310-01-257-1065/
JSON: https://nsnexplorer.com/api/nsn/5310-01-257-1065.json