# NSN 5310-00-688-1261: Nut, Self-Locking, Barrel

NSN 5310-00-688-1261 (also written 5310006881261; NIIN 00-688-1261) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-688-1261 (5310006881261)
- NIIN: 00-688-1261 (006881261)
- Item name: NUT,SELF-LOCKING,BARREL
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT FED STD 2ND MATERIAL RESPONSE 66 |
| ACTD | NUT DIAMETER | INCHES NOMINAL 0.316 |
| MATT | MATERIAL | NUT STEEL COMP 4130 |
| SFTT | SURFACE TREATMENT | NUT CADMIUM |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACVN | NUT LENGTH | INCHES NOMINAL 0.375 |
| ADBA | BARREL HEIGHT | INCHES NOMINAL 0.255 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.334 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| BZRR | THREAD SERIES | UNF |
| ACTA | NUT STYLE | — |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| AAJD | THREAD CLASS | 3B |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10003915 | 18876 | US ARMY AVIATION AND MISSILE COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12619757 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2552-02 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 717899-120 | 82577 | RAYTHEON COMPANY DBA RAYTHEON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BFN00931-3 | 27238 | BRISTOL INDUSTRIES, 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=5310006881261&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006881261
- 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/5310-00-688-1261/
JSON: https://nsnexplorer.com/api/nsn/5310-00-688-1261.json