# NSN 5310-01-253-3153: Nut, Self-Locking, Assembled Washe

NSN 5310-01-253-3153 (also written 5310012533153; NIIN 01-253-3153) is a nut, self-locking, assembled washe in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-253-3153 (5310012533153)
- NIIN: 01-253-3153 (012533153)
- Item name: NUT,SELF-LOCKING,ASSEMBLED WASHE
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| AAVX | WASHER OUTSIDE DIAMETER | INCHES MINIMUM 0.610 AND INCHES MAXIMUM 0.640 |
| AAWY | COUNTERBORE DIAMETER | NUT INCHES MINIMUM 0.385 AND INCHES MAXIMUM 0.395 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.436 |
| ACTA | NUT STYLE | — |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.203 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 0.203 AND INCHES MAXIMUM 0.223 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.492 AND INCHES MAXIMUM 0.502 |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 250.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.3125 |
| MATT | MATERIAL | LOCKING INSERT PLASTIC NYLON |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | WASHER FED SPEC 1ST MATERIAL RESPONSE QQ-A-225 TO 6,T4 OR FED SPEC 2ND MATERIAL RESPONSE QQ-A-250 TO 13,T6 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD SINGLE MATERIAL RESPONSE A-S 5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5532 |
| SFTT | SURFACE TREATMENT | NUT CADMIUM AND CHROMATE |
| SFTT | SURFACE TREATMENT | WASHER CHROMATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | WASHER MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS21224-5C | 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/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4A627P0455](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012533153) | NUT, SELF-LOCKING, ASSEMBLED WASHER | — | $2,832.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012533153&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012533153
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-01-253-3153/
JSON: https://nsnexplorer.com/api/nsn/5310-01-253-3153.json