The Bolt,machine, cataloged under National Stock Number 5306-00-903-3629, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-903-3629 |
| Primary Part Number | R543P12L |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Fastener Length | 0.938 INCHES NOMINAL IN |
| Thread Length | 0.626 INCHES MINIMUM IN |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.312 INCHES NOMINAL IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | IRON ALLOY 660 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 | X |
| Part Number | Manufacturer |
|---|---|
| R543P12L | Bek, Inc. Dba Level 1 Fasteners (USA) |
| R543P12L | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| R543P12L | Columbia Helicopters, Inc. Dba Columbia Helicopters Inc (USA) |
| R543P12L PRIMARY | General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp (USA) |
| Reference | Meaning |
|---|---|
| R543P12L | 5/9 Secondary reference U.S. Government activity |
| R543P12L | 5/9 Secondary reference General Electric Company |
NSN 5306-00-903-3629 is a Bolt,machine, manufactured by General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-903-3629 has 4 manufacturer part numbers on file: R543P12L (Bek, Inc. Dba Level 1 Fasteners), R543P12L (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), R543P12L (Columbia Helicopters, Inc. Dba Columbia Helicopters Inc), R543P12L (General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp).
Key specifications for R543P12L: Surface Finish: 63.0 MICROINCHES GRIP; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.146 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Fastener Length: 0.938 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.