# NSN 5306-01-312-4948: Bolt, Internally Relieved Body

NSN 5306-01-312-4948 (also written 5306013124948; NIIN 01-312-4948) is a bolt, internally relieved body in Federal Supply Class 5306, Bolts. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5306-01-312-4948 (5306013124948)
- NIIN: 01-312-4948 (013124948)
- Item name: BOLT,INTERNALLY 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.780 AND INCHES MAXIMUM 0.919 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 1.210 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.505 AND INCHES MAXIMUM 0.564 |
| AAWY | COUNTERBORE DIAMETER | INCHES MINIMUM 0.2187 AND INCHES MAXIMUM 0.2217 |
| AAWZ | COUNTERBORE DEPTH | INCHES MINIMUM 0.110 |
| AAXC | CONCENTRIC HOLE DIAMETER | INCHES MINIMUM 0.263 AND INCHES MAXIMUM 0.273 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.375 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CRSQ | COUNTERSINK ANGLE | DEGREES NOMINAL 100.0 |
| FEAT | SPECIAL FEATURES | ALSO FURNISHED WITH WIRE 17-7 PH PER AMS 5673; PASSIVATE PER QQ-P-35 TY 1 WIRE CONDITION CH900 PER MIL-H-6875; SURFACE TREATMENT OF UNTHREADED SHANK AND CONICAL SURFACE OF HEAD 32.0; 2 EXTERNAL SLOTS ON FASTERNER |
| MATT | MATERIAL | OVERALL STEEL COMP 4140 OR STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-5626 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-6049 |
| SFTT | SURFACE TREATMENT | OVERALL ALUMINUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-83488 TY 2 CL 3 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | UNF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA21107-6-4HS | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TE111-0001-0001 | 18441 | THE BOEING COMPANY DBA BOEING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TE111-0001-0001 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-21 | [SPE4A726PG830](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013124948) | BOLT, INTERNALLY REL | — | $4,554.62 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5306013124948&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5306013124948
- 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/5306-01-312-4948/
JSON: https://nsnexplorer.com/api/nsn/5306-01-312-4948.json