The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-075-7074, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-075-7074 |
| Primary Part Number | 9139M87P02 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| Width Across Flats | 0.312 INCHES NOMINAL IN |
| Head Height | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Fastener Length | 1.120 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Thread Length | 0.700 INCHES NOMINAL IN |
| Material Document and Classification | C50TF13 CL-B,FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | BEVEL-CONICAL |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | HEXAGON |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.500 INCHES MINIMUM AND 0.520 INCHES MAXIMUM 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 |
|---|---|
| 9139M87P02 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 9139M87P02 PRIMARY | General Electric Company (USA) |
| 9139M87P02 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 9139M87P02 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
NSN 5306-01-075-7074 is a Bolt,internal Wrenching, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-075-7074 has 4 manufacturer part numbers on file: 9139M87P02 (Sps Technologies, Llc Dba PB Fasteners), 9139M87P02 (General Electric Company), 9139M87P02 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 9139M87P02 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners).
Key specifications for 9139M87P02: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 32.0 MICROINCHES BEARING SURFACE OF HEAD; Width Across Flats: 0.312 INCHES NOMINAL IN. 17 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.