The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-151-5737, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-151-5737 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Fastener Length | 0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN |
| Concentric Hole Depth | 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN |
| Thread Length | 0.323 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.3690 INCHES MINIMUM AND 0.3700 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Shoulder Length | 0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 696631 | 3/2 Design control — primary reference U.S. Government activity |
| 696631 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 696631 | 3/2 Design control — primary reference U.S. Government activity |
| 696631 | 3/2 Design control — primary reference U.S. Government activity |
| 696631 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5306-00-151-5737 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-151-5737: Head Height: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN; Fastener Length: 0.935 INCHES MINIMUM AND 0.955 INCHES MAXIMUM IN; Concentric Hole Depth: 0.450 INCHES MINIMUM AND 0.490 INCHES MAXIMUM IN; Thread Length: 0.323 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN. 18 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.