The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-00-966-9883, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-966-9883 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Fastener Length | 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | ASTM A380-57 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Style Designator | CONCENTRIC HOLE UNTHREADED |
| Material Document and Classification | AISI 302 ASSN STD 1ST MATERIAL RESPONSE OR AISI 305 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 2412577 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 5306-00-966-9883 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-966-9883: Head Height: 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN; Fastener Length: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Surface Treatment Document and Classification: ASTM A380-57 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.171 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN. 16 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.