# NSN 5310-00-804-0075: Nut, Self-Locking, Spline

NSN 5310-00-804-0075 (also written 5310008040075; NIIN 00-804-0075) is a nut, self-locking, spline in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-804-0075 (5310008040075)
- NIIN: 00-804-0075 (008040075)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.421 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVL | PILOT DIAMETER | INCHES NOMINAL 0.593 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.312 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAJD | THREAD CLASS | 2B |
| MATT | MATERIAL | OVERALL STEEL |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 550.0 |
| BZRR | THREAD SERIES | UNF |
| AAVM | PILOT LENGTH | INCHES NOMINAL 0.065 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| H20-5 | 15653 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H20-5 | 75237 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV MICRODOT PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S862NEW5-524 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-1912 | 282 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310008040075&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310008040075&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310008040075
- 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/5310-00-804-0075/
JSON: https://nsnexplorer.com/api/nsn/5310-00-804-0075.json