# NSN 5310-01-657-8500: Nut Assembly, Retainer Ring

NSN 5310-01-657-8500 (also written 5310016578500; NIIN 01-657-8500) is a nut assembly, retainer ring in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-657-8500 (5310016578500)
- NIIN: 01-657-8500 (016578500)
- Item name: NUT ASSEMBLY,RETAINER RING
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-27)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ACTA | NUT STYLE | — |
| AAJD | THREAD CLASS | 3B |
| ACVN | NUT LENGTH | INCHES MAXIMUM 1.580 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 1.100 |
| AGAV | END ITEM IDENTIFICATION | V-22 |
| ASDB | WIDTH ACROSS FLATS | INCHES MAXIMUM 1.025 |
| AZXC | NUT QUANTITY | 1 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.5000 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, DOME, SELF SEALING, SELF LOCKING, FLOATING, SPACER |
| FEAT | SPECIAL FEATURES | OVERSIZED RIVET HOLES |
| MATT | MATERIAL | NUT STEEL CORROSION RESISTING |
| MATT | MATERIAL | SEAL RUBBER SILICONE CLASS Q |
| MATT | MATERIAL | SHELL STEEL CORROSION RESISTING |
| MATT | MATERIAL | WASHER STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-STT25 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAL MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-25988, TYE II, CLASS I, GRADE 60 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SHELL ASSN STD SINGLE MATERIAL RESPONSE A-S5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | WASHER ASSN STD SINGLE MATERIAL RESPONSE A-S5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |
| SFTT | SURFACE TREATMENT | NUT SILVER |
| SFTT | SURFACE TREATMENT | SHELL PASSIVATE |
| SFTT | SURFACE TREATMENT | WASHER PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE TREATMENT RESPONSE A-S2410 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SHELL MIL SPEC SINGLE TREATMENT RESPONSE -IL-S-5002 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | WASHER MIL SPEC SINGLE TREATMENT RESPONSE -IL-S-5002 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 203214 | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NS203214T8-1Q | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [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=5310016578500&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016578500
- 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/5310-01-657-8500/
JSON: https://nsnexplorer.com/api/nsn/5310-01-657-8500.json