# NSN 5310-01-252-8378: Nut, Self-Locking, Round

NSN 5310-01-252-8378 (also written 5310012528378; NIIN 01-252-8378) is a nut, self-locking, round in Federal Supply Class 5310, Nuts and Washers. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-252-8378 (5310012528378)
- NIIN: 01-252-8378 (012528378)
- Item name: NUT,SELF-LOCKING,ROUND
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTD | NUT DIAMETER | INCHES NOMINAL 1.950 |
| ADBG | NUT THICKNESS | INCHES NOMINAL 0.220 |
| ADBM | DRIVE POINT QUANTITY | 2 |
| AFGF | DRIVE POINT DIAMETER | INCHES NOMINAL 0.218 |
| BZRR | THREAD SERIES | UNEF |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.000 |
| MATT | MATERIAL | OVERALL EXCEPT INSERT ALUMINUM ALLOY 2024 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T4 OR T42,OR T351 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| SFTT | SURFACE TREATMENT | OVERALL EXCEPT INSERT CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 309C018-1 | 0FPN0 | DERLAN INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309C018-1 | 4N727 | INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA DIV INTEGRAL AEROSPACE, LLC DBA PCX AEROSYSTEMS - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309C018-1 | 62793 | BFM ENERGY PRODUCTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 309C018-1 | 72429 | MISSION SYSTEMS DAVENPORT INC. | [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=5310012528378&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012528378
- 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/5310-01-252-8378/
JSON: https://nsnexplorer.com/api/nsn/5310-01-252-8378.json