The Bolt,internally Relieved Body, cataloged under National Stock Number 5306-01-076-7201, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Technipower Llc Dba Unipower. Government technical data includes 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-076-7201 |
| Primary Part Number | 3010-0670 |
| Item Name | Bolt,internally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Technipower Llc Dba Unipower |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Fastener Length | 0.812 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ESFC-7 FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Internal Thread Length | 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM COUNTERBORE IN |
| Thread Series | UNF COUNTERBORE |
| Internal Thread Direction | RIGHT-HAND COUNTERBORE |
| Thread Length | 0.304 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Threads Per Inch | 32 COUNTERBORE |
| Style Designator | COUNTERBORE THREADED |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES COUNTERBORE IN |
| Width Between Flats | 0.375 INCHES NOMINAL IN |
| Internal Thread Class | 2B COUNTERBORE |
| Concentric Hole Diameter | 0.062 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL 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 |
| Part Number | Manufacturer |
|---|---|
| 3010-0670 PRIMARY | Technipower Llc Dba Unipower (USA) |
| Reference | Meaning |
|---|---|
| 3010-0670 | 5/9 Secondary reference Genrad Inc |
NSN 5306-01-076-7201 is a Bolt,internally Relieved Body, manufactured by Technipower Llc Dba Unipower, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-076-7201 has 1 manufacturer part number on file: 3010-0670 (Technipower Llc Dba Unipower).
Key specifications for 3010-0670: Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Fastener Length: 0.812 INCHES NOMINAL IN; Surface Treatment Document and Classification: ESFC-7 FSCM 24655 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Internal Thread Length: 0.422 INCHES MINIMUM AND 0.454 INCHES MAXIMUM COUNTERBORE IN. 21 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.