The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-294-7887, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-294-7887 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.250 INCHES NOMINAL IN |
| Fastener Length | 4.750 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | LC+77-20358 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.850 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | C-05-1190,FSCM 36659 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 2.250 INCHES MINIMUM AND 2.282 INCHES MAXIMUM IN |
| Shoulder Diameter | 1.746 INCHES MINIMUM AND 1.748 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 1.030 INCHES MINIMUM AND 1.043 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Minimum Tensile Strength | 270000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL OVERALL |
| Shoulder Length | 3.900 INCHES NOMINAL IN |
| Thread Series Designator | UN |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.150 INCHES NOMINAL FIRST HOLE 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 |
|---|---|
| 1285150-101 | 5/9 Secondary reference U.S. Government activity |
| 1285150-103 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-294-7887 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-294-7887: Head Height: 0.250 INCHES NOMINAL IN; Fastener Length: 4.750 INCHES NOMINAL IN; Surface Treatment Document and Classification: LC+77-20358 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.850 INCHES NOMINAL IN. 21 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.