The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-209-7910, 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18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-209-7910 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 1.938 INCHES NOMINAL IN |
| Internal Thread Length | 2.625 INCHES NOMINAL CONCENTRIC HOLE IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE |
| Internal Thread Direction | RIGHT-HAND CONCENTRIC HOLE |
| Thread Length | 1.795 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN |
| Threads Per Inch | 13 CONCENTRIC HOLE |
| Style Designator | CONCENTRIC HOLE THREADED |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES CONCENTRIC HOLE IN |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Internal Thread Class | 3B CONCENTRIC HOLE |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 14 |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 1791 PIECE 34 | 3/9 Design control — primary reference General Regulator Corp. Dba Accudriv |
| 1791-34 | C/1 Advisory reference — outside the item-of-supply concept General Regulator Corp. Dba Accudriv |
| 3287595 PIECE 34 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-209-7910 is a Bolt,internally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-209-7910: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 1.938 INCHES NOMINAL IN; Internal Thread Length: 2.625 INCHES NOMINAL CONCENTRIC HOLE IN; Thread Series: UNIFIED NATIONAL COARSE (UNC) CONCENTRIC HOLE. 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.