# NSN 5310-01-125-5070: Nut, Self-Locking, Blind Rivet

NSN 5310-01-125-5070 (also written 5310011255070; NIIN 01-125-5070) is a nut, self-locking, blind rivet in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-125-5070 (5310011255070)
- NIIN: 01-125-5070 (011255070)
- Item name: NUT,SELF-LOCKING,BLIND RIVET
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.040 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAZG | HEAD MAJOR DIAMETER | INCHES MINIMUM 0.451 AND INCHES MAXIMUM 0.455 |
| AAZH | HEAD MINOR DIAMETER | INCHES MINIMUM 0.385 AND INCHES MAXIMUM 0.389 |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES MINIMUM 0.340 AND INCHES MAXIMUM 0.342 |
| ACVN | NUT LENGTH | INCHES MAXIMUM 0.747 |
| ADEY | NUT GRIP RANGE | INCHES 0.280 TO 0.340 |
| ADFN | SHANK END TYPE | OPEN |
| AZKQ | TEMP RATING | FAHRENHEIT MAXIMUM 450.0 |
| BZRR | THREAD SERIES | UNF |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.250 |
| CRKK | HEAD MAJOR COUNTERSINK ANGLE | DEGREES MINIMUM 75.75 AND DEGREES MAXIMUM 76.25 |
| CSLM | HEAD MINOR COUNTERSINK ANGLE | DEGREES MINIMUM 59.75 AND DEGREES MAXIMUM 60.25 |
| MATT | MATERIAL | OVERALL STEEL COMP 304 OR STEEL COMP 305 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC ALL MATERIAL RESPONSES QQ-S-763,COND A |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 81755-C2989 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 66915-428-5 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 79CBNR4-5 | 72962 | HARVARD INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C2989-428-5 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPE4A626PAW62](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011255070) | NUT, SELF-LOCKING, BL | C U ENTERPRISES LTD | $1,778.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310011255070&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310011255070
- 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/5310-01-125-5070/
JSON: https://nsnexplorer.com/api/nsn/5310-01-125-5070.json