# NSN 5310-00-357-1925: Nut, Self-Locking, Barrel

NSN 5310-00-357-1925 (also written 5310003571925; NIIN 00-357-1925) is a nut, self-locking, barrel in Federal Supply Class 5310, Nuts and Washers. 15 manufacturer part numbers from 10 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-357-1925 (5310003571925)
- NIIN: 00-357-1925 (003571925)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 76301-ST3-441 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACVN | NUT LENGTH | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.760 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.375 |
| AAJD | THREAD CLASS | 3B |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.615 |
| ACTA | NUT STYLE | — |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 718 OR TITANIUM ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD 1ST MATERIAL RESPONSE A-S 5662 OR ASSN STD 1ST MATERIAL RESPONSE A-S 5663 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-T-9047 CO- 6-6A1-4V |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ADBA | BARREL HEIGHT | INCHES MINIMUM 0.410 AND INCHES MAXIMUM 0.420 |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.713 AND INCHES MAXIMUM 0.716 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10121322 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 73614-624 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 73614-624 | 50392 | SPS TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 73614-624 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 77020-6 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B10695-6 | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B10695-6 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B10695-6 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BFN441-6 | 27238 | BRISTOL INDUSTRIES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| K50188-6 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SL4010-6 | 97393 | SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SLN170-6 | 16258 | SPACE-LOK, INC. DBA SPACE-LOK INC DIV SPACE-LOK | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M441 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M441-6 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST3M441-6M | 76301 | THE BOEING COMPANY DIV DEFENSE | [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=5310003571925&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310003571925
- 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/5310-00-357-1925/
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