The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-173-5034, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-173-5034 |
| Primary Part Number | 9512M23P01 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES GRIP |
| Surface Finish | 250.0 MICROINCHES POINT |
| Extended Washer Thickness | 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.410 INCHES NOMINAL IN |
| Fastener Length | 1.112 INCHES MINIMUM AND 1.132 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN |
| Thread Length | 0.825 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.292 INCHES MINIMUM AND 0.302 INCHES MAXIMUM IN |
| Width Between Flats | 0.438 INCHES NOMINAL IN |
| Grip Diameter | 0.374 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 |
|---|---|
| 9512M23P01 PRIMARY | General Electric Company (USA) |
| 9512M23P01 | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| 9512M23P01 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 9512M23P01 | 5/9 Secondary reference Acufast Aircraft Products |
| 9512M23P01 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-173-5034 is a Bolt,close Tolerance, manufactured by General Electric Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-173-5034 has 3 manufacturer part numbers on file: 9512M23P01 (General Electric Company), 9512M23P01 (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp), 9512M23P01 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
Key specifications for 9512M23P01: Surface Finish: 32.0 MICROINCHES GRIP; Surface Finish: 250.0 MICROINCHES POINT; Extended Washer Thickness: 0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.410 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.