The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-302-9168, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-302-9168 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.150 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | LC+77-1061 MFR REF 1ST TREATMENT RESPONSE AND LC+77-2035 FSCM 36659 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| Concentric Hole Depth | 7.200 INCHES NOMINAL IN |
| Thread Length | 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 0.108 INCHES MINIMUM AND 0.116 INCHES MAXIMUM FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | MIL-S-5000,COND E1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.500 INCHES NOMINAL IN |
| Shoulder Diameter | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.968 INCHES MINIMUM AND 0.979 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Shoulder Length | 7.705 INCHES MINIMUM AND 7.715 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 8.085 INCHES MINIMUM AND 8.095 INCHES MAXIMUM FIRST HOLE IN |
| Head Diameter | 1.800 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1284814-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-302-9168 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-302-9168: Head Height: 0.150 INCHES NOMINAL IN; Surface Treatment Document and Classification: LC+77-1061 MFR REF 1ST TREATMENT RESPONSE AND LC+77-2035 FSCM 36659 MFR REF 2ND TREATMENT RESPONSE OVERALL; Concentric Hole Depth: 7.200 INCHES NOMINAL IN; Thread Length: 0.420 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.