The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-309-2614, 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 19 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 | 5306-01-309-2614 |
| Primary Part Number | 6242866 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Head Height | 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Point Length | 0.080 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Fastener Length | 1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-81751,TY 1 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.282 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Point Chamfer Angle | 60.0 DEGREES NOMINAL |
| First Diameter From Head | 0.130 INCHES MINIMUM AND 0.134 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Width Between Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Color | GRAY/GREY OVERALL |
| Surface Treatment | CERAMIC OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 6242866 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5306-01-309-2614 is a Bolt,externally Relieved Body, manufactured by Naval Sea Systems Command, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-309-2614 has 1 manufacturer part number on file: 6242866 (Naval Sea Systems Command).
Key specifications for 6242866: Head Height: 0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN; Point Length: 0.080 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Fastener Length: 1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-81751,TY 1 CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.