# NSN 5306-01-643-0821: Bolt, Shoulder

NSN 5306-01-643-0821 (also written 5306016430821; NIIN 01-643-0821) is a bolt, shoulder in Federal Supply Class 5306, Bolts. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5306-01-643-0821 (5306016430821)
- NIIN: 01-643-0821 (016430821)
- Item name: BOLT,SHOULDER
- Federal Supply Class: [FSC 5306 Bolts](https://nsnexplorer.com/fsc/5306/)
- 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 |
| --- | --- | --- |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.785 |
| AASK | HEAD STYLE | — |
| AATB | WIDTH BETWEEN FLATS | INCHES NOMINAL 0.625 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MATT | MATERIAL | OVERALL STEEL COMP 303 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |
| AAJD | THREAD CLASS | 2A |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.250 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| D0013266-2019 | 76301 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPRPA121GCF01/SPE4A526F4507](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306016430821) | BOLT, SHOULDER | BELL BOEING JOINT PROJECT OFFICE | $2,321.02 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306016430821&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306016430821
- 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/5306-01-643-0821/
JSON: https://nsnexplorer.com/api/nsn/5306-01-643-0821.json