# NSN 5306-01-298-2438: Bolt, Externally Relieved Body

NSN 5306-01-298-2438 (also written 5306012982438; NIIN 01-298-2438) is a bolt, externally relieved body in Federal Supply Class 5306, Bolts. 4 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5306-01-298-2438 (5306012982438)
- NIIN: 01-298-2438 (012982438)
- Item name: BOLT,EXTERNALLY RELIEVED BODY
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.516 AND INCHES MAXIMUM 0.610 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.615 AND INCHES MAXIMUM 0.635 |
| AASK | HEAD STYLE | — |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.293 AND INCHES MAXIMUM 0.313 |
| AATB | WIDTH BETWEEN FLATS | INCHES NOMINAL 0.312 |
| AATC | EXTENDED WASHER DIAMETER | INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.448 |
| AATD | EXTENDED WASHER THICKNESS | INCHES MINIMUM 0.060 |
| AAWC | FIRST DIAMETER FROM HEAD | INCHES MINIMUM 0.222 AND INCHES MAXIMUM 0.232 |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | INCHES MAXIMUM 0.099 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5306PL1498942 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST1420-08 | 0UCY9 | M.S. AEROSPACE INC. DBA MS AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST1420-08 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ST1420-08 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306012982438&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306012982438
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/5306-01-298-2438/
JSON: https://nsnexplorer.com/api/nsn/5306-01-298-2438.json