The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-459-1095, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 26 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-459-1095 |
| Primary Part Number | 6800357-023 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN |
| Fastener Length | 2.304 INCHES MINIMUM AND 2.334 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL3 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Thread Series | UNF CONCENTRIC HOLE |
| Concentric Hole Depth | 1.113 INCHES NOMINAL IN |
| Thread Length | 0.569 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Shank Unthreaded Hole Diameter | 1.000 INCHES NOMINAL SECOND HOLE IN |
| Threads Per Inch | 28 CONCENTRIC HOLE |
| Style Designator | COUNTERBORE UNTHREADED |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.437 INCHES IN |
| Counterbore Depth | 0.300 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES CONCENTRIC HOLE IN |
| Counterbore Diameter | 0.250 INCHES NOMINAL IN |
| Width Between Flats | 0.678 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Internal Thread Class | 2B CONCENTRIC HOLE |
| Concentric Hole Diameter | 1.000 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.113 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 |
| Part Number | Manufacturer |
|---|---|
| 6800357-023 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-459-1095 is a Bolt,internally Relieved Body, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-459-1095 has 1 manufacturer part number on file: 6800357-023 (Naval Sea Systems Command).
Key specifications for 6800357-023: Head Height: 0.219 INCHES MINIMUM AND 0.234 INCHES MAXIMUM IN; Fastener Length: 2.304 INCHES MINIMUM AND 2.334 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416 TY2 CL3 FED SPEC 1ST TREATMENT RESPONSE OVERALL; Thread Series: UNF CONCENTRIC HOLE. 26 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.