# NSN 5310-00-638-8146: Nut, Self-Locking, Spline

NSN 5310-00-638-8146 (also written 5310006388146; NIIN 00-638-8146) is a nut, self-locking, spline in Federal Supply Class 5310, Nuts and Washers. 13 manufacturer part numbers from 11 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-638-8146 (5310006388146)
- NIIN: 00-638-8146 (006388146)
- Item name: NUT,SELF-LOCKING,SPLINE
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACTA | NUT STYLE | — |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATT | MATERIAL | NUT STEEL COMP 1212 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT FED STD SINGLE MATERIAL RESPONSE 66 |
| SFTT | SURFACE TREATMENT | OVERALL EXCEPT INSERT CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 |
| AAJD | THREAD CLASS | 3B |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.423 AND INCHES MAXIMUM 0.458 |
| AAVM | PILOT LENGTH | INCHES MINIMUM 0.173 AND INCHES MAXIMUM 0.203 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| AAVL | PILOT DIAMETER | INCHES MINIMUM 0.321 AND INCHES MAXIMUM 0.325 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.330 AND INCHES MAXIMUM 0.390 |
| AZKQ | TEMP RATING | FAHRENHEIT MAXIMUM 250.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10393773-010 | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 10393773-010 | 18876 | US ARMY AVIATION AND MISSILE COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 10393773-010 | 27687 | GREER STOP NUT, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 12-517-00-500 | 78022 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22D12-02 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22ND12-02 | 019L2 | ESNA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22ND12-02 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22ND12-102 | 08928 | ABBOTT-INTERFAST CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 22ND12-1032 | 22230 | LITTON SYSTEMS INC SUB OF LITTON INDUSTRIES INC LITTON MICROWAVE COOKING PRODUCTS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2577 | 31435 | LUCAS AEROSPACE POWER EQUIPMENT CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5310006388146 | SCY13 | E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 592560 | 21450 | ARMY WEAPONS COMMAND ATTN AMSWE-REE-S | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CV1110-1 | 80378 | TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1791 | 16 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006388146&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006388146&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006388146
- 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/5310-00-638-8146/
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