# NSN 5310-00-638-1218: Nut, Plain, Round

NSN 5310-00-638-1218 (also written 5310006381218; NIIN 00-638-1218) is a nut, plain, round in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-638-1218 (5310006381218)
- NIIN: 00-638-1218 (006381218)
- 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 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 |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| AAJD | THREAD CLASS | 3B |
| ADBG | NUT THICKNESS | INCHES NOMINAL 1.094 |
| ADBH | DRIVE POINT WIDTH | INCHES NOMINAL 0.188 |
| ADBM | DRIVE POINT QUANTITY | 4 |
| BZRR | THREAD SERIES | UNF |
| FEAT | SPECIAL FEATURES | TWO PROTRUSIONS 180 DEG. APART ON OD OF NONBEARING SURFACE W/1.188 IN. ID.0.344 IN. THK. AND 2 PARALLEL FLATS ACROSS HOLE DIA. 0.610-0.615 IN. APART |
| MATT | MATERIAL | OVERALL STEEL |
| CQJX | NOMINAL THREAD SIZE | INCHES 1.125 |
| ACTD | NUT DIAMETER | INCHES NOMINAL 1.625 |
| ABQU | DRIVE POINT DEPTH | INCHES NOMINAL 0.094 |
| ACTA | NUT STYLE | — |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 26.0 AND ROCKWELL C MAXIMUM 32.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 29-30702-1 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION, LAKEHURST | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-17 | $60.45 | 81 | QUALITY SOCKET SCREW MANUFACTURING CORP | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006381218) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE4A126V1756](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006381218) | NUT, PLAIN, ROUND | INDIAN AEROSPACE, INC. | $1,401.18 |
| 2026-08-17 | [SPE4A626PAZ43](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006381218) | NUT, PLAIN, ROUND | QUALITY SOCKET SCREW MANUFACTURING CORP | $4,896.45 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006381218&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006381218
- 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/5310-00-638-1218/
JSON: https://nsnexplorer.com/api/nsn/5310-00-638-1218.json
