# NSN 5310-00-505-2721: Nut, Self-Locking, Slotted, Hexagon

NSN 5310-00-505-2721 (also written 5310005052721; NIIN 00-505-2721) is a nut, self-locking, slotted, hexagon in Federal Supply Class 5310, Nuts and Washers. 7 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-505-2721 (5310005052721)
- NIIN: 00-505-2721 (005052721)
- Item name: NUT,SELF-LOCKING,SLOTTED,HEXAGON
- 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 T: handled under qualified products list procedures. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN OR PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 1.052 AND INCHES MAXIMUM 1.064 |
| ACTA | NUT STYLE | — |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.750 |
| SFTT | SURFACE TREATMENT | OVERALL EXCEPT INSERT CADMIUM AND CARBON |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| CRTM | BEARING SURFACE TYPE | WASHER FACED |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| MATT | MATERIAL | NUT STEEL |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.798 AND INCHES MAXIMUM 0.828 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10450715 | A486G | NIMIKKEISTOKESKUS NCB FINLAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7F12NEC1216 | 27678 | WALTER DANKAS & CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 938.08.71.212 | S4080 | PILATUS AIRCRAFT LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9380871212 | S4080 | PILATUS AIRCRAFT LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F12NE4753-126 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F12NEC-1216 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS17825-12 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [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=5310005052721&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310005052721
- 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/5310-00-505-2721/
JSON: https://nsnexplorer.com/api/nsn/5310-00-505-2721.json