# NSN 5310-00-637-0788: Nut, Plain, Round

NSN 5310-00-637-0788 (also written 5310006370788; NIIN 00-637-0788) is a nut, plain, round in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-637-0788 (5310006370788)
- NIIN: 00-637-0788 (006370788)
- Item name: NUT,PLAIN,ROUND
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADBG | NUT THICKNESS | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.260 |
| ADBH | DRIVE POINT WIDTH | INCHES MINIMUM 0.115 AND INCHES MAXIMUM 0.135 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ABQU | DRIVE POINT DEPTH | INCHES MINIMUM 0.130 AND INCHES MAXIMUM 0.150 |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES MINIMUM 1.802 AND INCHES MAXIMUM 1.822 |
| AAJD | THREAD CLASS | 3B |
| CRHC | HOLE CONFIGURATION STYLE | — |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES MINIMUM 85.0 AND DEGREES MAXIMUM 95.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 8630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6050 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.438 |
| BZRR | THREAD SERIES | UN |
| ALET | HOLE TYPE AND QUANTITY | DRILLED 2 |
| AGGP | DRILLED HOLE DIAMETER | INCHES NOMINAL 0.068 |
| ADBM | DRIVE POINT QUANTITY | 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 337428 | 17772 | AERO ENGINEERING & MANUFACTURING COMPANY OF CALIFORNIA, LLC DBA AEROENGINEERING & MANUFACTURING CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 337428 | 6Z800 | A AND M AEROSPACE, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 337428 | 98897 | LOCKHEED MARTIN CORP DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-08 | $220.08 | 17 | 9P4Z6 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006370788) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE4A626P0K55](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006370788) | NUT, PLAIN, ROUND | — | $3,741.36 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006370788&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006370788
- 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/5310-00-637-0788/
JSON: https://nsnexplorer.com/api/nsn/5310-00-637-0788.json