# NSN 5310-01-270-1250: Nut, Self-Locking, Plate

NSN 5310-01-270-1250 (also written 5310012701250; NIIN 01-270-1250) is a nut, self-locking, plate in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-270-1250 (5310012701250)
- NIIN: 01-270-1250 (012701250)
- Item name: NUT,SELF-LOCKING,PLATE
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| AAWY | COUNTERBORE DIAMETER | BASE INCHES MINIMUM 0.194 |
| ABAJ | LUBRICATION | DRY FILM LUBRICANT |
| ABTB | MOUNTING HOLE DIAMETER | INCHES MINIMUM 0.098 AND INCHES MAXIMUM 0.103 |
| ACTA | NUT STYLE | — |
| ACVN | NUT LENGTH | INCHES MAXIMUM 0.729 |
| ADEA | NUT HEIGHT | INCHES MAXIMUM 0.375 |
| ADEB | PLATE THICKNESS | INCHES MAXIMUM 0.125 |
| ADEC | PLATE WIDTH | INCHES MAXIMUM 0.416 |
| ADFK | NUT COUNTERBORE DEPTH | BASE INCHES MINIMUM 0.188 AND INCHES MAXIMUM 0.198 |
| ADFP | NUT MOUNTING PROVISION | STRAIGHT HOLES |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | — |
| ADFW | DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | INCHES MINIMUM 0.245 AND INCHES MAXIMUM 0.255 |
| ADFY | CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | INCHES MINIMUM 0.498 AND INCHES MAXIMUM 0.502 |
| AZKQ | TEMP RATING | FAHRENHEIT MAXIMUM 450.0 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CBBL | FEATURES PROVIDED | FLOATING NUT |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| FEAT | SPECIAL FEATURES | COLOR RED |
| MATT | MATERIAL | NUT STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 |
| MATT | MATERIAL | SHELL STEEL COMP 1050 OR STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OR STEEL COMP 316 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | NUT ASSN STD 1ST MATERIAL RESPONSE A-S 6350 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 3RD MATERIAL RESPONSE -IL-S-6049 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SHELL MIL SPEC ALL MATERIAL RESPONSES -IL-S-5059 |
| SFTT | SURFACE TREATMENT | NUT CADMIUM |
| SFTT | SURFACE TREATMENT | SHELL CADMIUM AND CHROMATE AND PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NUT FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 2 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SHELL FED SPEC 1ST TREATMENT RESPONSE QQ--416,TY 2,CL 2 OR FED SPEC 2ND TREATMENT RESPONSE QQ--35 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| C9744-3-3 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FBL10015-3-3 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-16 | $1,851.8519 | 189 | 10TD1 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012701250) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-16 | [SPE4A627D60DF](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012701250) | NUT, SELF-LOCKING, PLATE | — | $350,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310012701250&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310012701250
- 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/5310-01-270-1250/
JSON: https://nsnexplorer.com/api/nsn/5310-01-270-1250.json