The Bolt,machine, cataloged under National Stock Number 5306-01-173-5031, 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 13 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-173-5031 |
| Primary Part Number | 9512M23P02 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Extended Washer Thickness | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN |
| Fastener Length | 1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Thread Length | 0.742 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | COBALT COMP MP-35-N OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 9512M23P02 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 9512M23P02 | 5/9 Secondary reference Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co |
| 9512M23P02 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 9512M23P02 | 5/9 Secondary reference Mchaffie Inc |
| 9512M23P02 | 5/9 Secondary reference Acufast Aircraft Products |
| 9512M23P02 | 5/9 Secondary reference M.s. Aerospace Inc. Dba Ms Aerospace Inc |
NSN 5306-01-173-5031 is a Bolt,machine, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-173-5031 has 1 manufacturer part number on file: 9512M23P02 (General Electric Company).
Key specifications for 9512M23P02: Extended Washer Thickness: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.400 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Fastener Length: 1.242 INCHES MINIMUM AND 1.262 INCHES MAXIMUM IN; Extended Washer Diameter: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN. 13 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.