# NSN 5310-01-505-0243: Nut, Self-Locking, Hexagon

NSN 5310-01-505-0243 (also written 5310015050243; NIIN 01-505-0243) is a nut, self-locking, hexagon in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-505-0243 (5310015050243)
- NIIN: 01-505-0243 (015050243)
- Item name: NUT,SELF-LOCKING,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 G: the government has a complete data package and the rights to use it. (observed 2026-10-16)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES MINIMUM 0.579 AND INCHES MAXIMUM 0.609 |
| AGAV | END ITEM IDENTIFICATION | CARRIER, PERS M-113A1, M-113A2, M-113A3,2350-01-369-6086; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS) |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.736 AND INCHES MAXIMUM 0.752 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| CMLP | THREAD QUANTITY PER INCH | 13 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.500 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CSXL | BEARING SURFACE FINISH | MICROINCHES 125.0 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATT | MATERIAL | NUT STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE SAE-J995, GRADE 5 OR 8 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND ZINC |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST--B633, TYE II |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| M45913/1-8CG5Z | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-DTL-45913/1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-4536 | 791 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015050243&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310015050243&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310015050243
- 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/5310-01-505-0243/
JSON: https://nsnexplorer.com/api/nsn/5310-01-505-0243.json