The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-035-2289, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-035-2289 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.100 INCHES NOMINAL IN |
| Fastener Length | 0.450 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B456 ASSN STD ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.180 INCHES NOMINAL IN |
| First Diameter From Head | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.185 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.150 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 2 |
| Surface Treatment | NICKEL AND CHROMIUM OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY 360 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 |
|---|---|
| 355-0131-00 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-035-2289 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-035-2289: Head Height: 0.100 INCHES NOMINAL IN; Fastener Length: 0.450 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B456 ASSN STD ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.180 INCHES NOMINAL 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.