# NSN 5310-00-068-6176: Nut, Plain, Spline

NSN 5310-00-068-6176 (also written 5310000686176; NIIN 00-068-6176) is a nut, plain, spline in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-00-068-6176 (5310000686176)
- NIIN: 00-068-6176 (000686176)
- Item name: NUT,PLAIN,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 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 |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.500 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3 |
| AAVM | PILOT LENGTH | INCHES MINIMUM 0.220 AND INCHES MAXIMUM 0.225 |
| BZRR | THREAD SERIES | UNF |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.870 AND INCHES MAXIMUM 0.875 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-S-633 |
| AAVL | PILOT DIAMETER | INCHES MINIMUM 0.731 AND INCHES MAXIMUM 0.736 |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.427 AND INCHES MAXIMUM 0.437 |
| MATT | MATERIAL | OVERALL STEEL COMP 1211 OR STEEL COMP 1213 |
| AAJD | THREAD CLASS | 2B |
| ACTA | NUT STYLE | — |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1-2-20X230PLUGNUT | 75497 | LAMSON AND SESSIONS CO THE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 10917173 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 10947099-10917173 | 19204 | ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-23 | [SPE4A627P3368](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000686176) | NUT, PLAIN, SPLINE | AERO-GLEN INTERNATIONAL LLC | $3,200.00 |
| 2026-10-05 | [SPE4A127V0037](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000686176) | NUT, PLAIN, SPLINE | INDIAN AEROSPACE, INC. | $3,873.80 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310000686176&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000686176
- 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/5310-00-068-6176/
JSON: https://nsnexplorer.com/api/nsn/5310-00-068-6176.json