# NSN 5310-01-580-6404: Nut, Self-Locking, Square

NSN 5310-01-580-6404 (also written 5310015806404; NIIN 01-580-6404) is a nut, self-locking, square in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-580-6404 (5310015806404)
- NIIN: 01-580-6404 (015806404)
- Item name: NUT,SELF-LOCKING,SQUARE
- 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 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.450 |
| AGAV | END ITEM IDENTIFICATION | MK7MOD0,RADAR ASSEMBLY,MODULE |
| ASDB | WIDTH ACROSS FLATS | INCHES NOMINAL 1.230 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.375 |
| CQTW | HOLE THREAD QUANTITY PER INCH | 24 |
| CRHC | HOLE CONFIGURATION STYLE | — |
| CRTM | BEARING SURFACE TYPE | FLAT |
| CSPF | HOLE NOMINAL THREAD DIAMETER | INCHES 0.375 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) NUT, LOCKING, SQUARE |
| MATT | MATERIAL | OVERALL IRON ALLOY 660 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S-5853 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S QQ--35 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 8355304 | 15090 | RAYTHEON COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8355304 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3432 | 122 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015806404&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015806404&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015806404
- 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/5310-01-580-6404/
JSON: https://nsnexplorer.com/api/nsn/5310-01-580-6404.json