# NSN 5310-00-649-8226: Nut, Plain, Round

NSN 5310-00-649-8226 (also written 5310006498226; NIIN 00-649-8226) is a nut, plain, round in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-00-649-8226 (5310006498226)
- NIIN: 00-649-8226 (006498226)
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | DONT CADMIUM TREAT QQ-S-763 STEEL,MARK /LH THD/ 3 PLACES ON OD,0D 63 MICROINCHES MAX,ID 125 MICROINCHES MAX |
| MATT | MATERIAL | OVERALL STEEL COMP 416 OR STEEL COMP 4130 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763,COND A OR MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6758 OR ASSN STD SINGLE MATERIAL RESPONSE A-S6371 |
| SFTT | SURFACE TREATMENT | OVERALL EXCEPT THREADS PASSIVATE OR CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT THREADS MFR REF SINGLE TREATMENT RESPONSE BS FW4007,FSC- 97499 OR FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TYE 2,CLASS 2 |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 81349--IL-I-6868 AND SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 97499-BS 4075 |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQJX | NOMINAL THREAD SIZE | INCHES 4.250 |
| ADBM | DRIVE POINT QUANTITY | 18 |
| ADFK | NUT COUNTERBORE DEPTH | NUT INCHES MINIMUM 4.280 AND INCHES MAXIMUM 4.290 |
| AFGF | DRIVE POINT DIAMETER | INCHES MINIMUM 0.338 AND INCHES MAXIMUM 0.345 |
| BZRR | THREAD SERIES | UN |
| ADBG | NUT THICKNESS | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.760 |
| AAJD | THREAD CLASS | 2B |
| AAJF | THREAD DIRECTION | LEFT-HAND |
| AAWY | COUNTERBORE DIAMETER | NUT INCHES NOMINAL 0.430 |
| ABQU | DRIVE POINT DEPTH | INCHES MINIMUM 0.1042 AND INCHES MAXIMUM 0.1107 |
| ACTA | NUT STYLE | — |
| ACTD | NUT DIAMETER | INCHES MINIMUM 4.4985 AND INCHES MAXIMUM 4.5015 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 204-010-420-001 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 204-010-420-1 | 81996 | US ARMY AVIATION AND MISSILE COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 204-010-420-1 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-27 | [SPE4AX17D9410/SPE4A226F7231](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006498226) | NUT, PLAIN, ROUND | BELL TEXTRON INC | $24,900.15 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310006498226&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310006498226
- 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/5310-00-649-8226/
JSON: https://nsnexplorer.com/api/nsn/5310-00-649-8226.json