The Bolt,machine, cataloged under National Stock Number 5306-00-056-3544, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-056-3544 |
| Primary Part Number | 5125198 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.110 INCHES NOMINAL IN |
| Head Height | 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Fastener Length | 6.600 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN |
| Extended Washer Diameter | 1.000 INCHES NOMINAL IN |
| Thread Length | 2.500 INCHES MINIMUM AND 2.700 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.725 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 5125198 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
| 5102374 | Rolls-Royce Solutions America Inc (USA) |
| Reference | Meaning |
|---|---|
| PC5125198 | 5/9 Secondary reference Power Components (deutschland) Gmbh |
| 5306000563544 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5306-00-056-3544 is a Bolt,machine, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-056-3544 has 2 manufacturer part numbers on file: 5125198 (Rolls-Royce Solutions America Inc), 5102374 (Rolls-Royce Solutions America Inc).
1 possible match (shared part number, not a government interchangeability claim): 5306-01-039-6470. Verify interchangeability with system specifications before substitution.
Key specifications for 5125198: Extended Washer Thickness: 0.110 INCHES NOMINAL IN; Head Height: 0.440 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN; Fastener Length: 6.600 INCHES MINIMUM AND 6.750 INCHES MAXIMUM IN; Extended Washer Diameter: 1.000 INCHES NOMINAL IN. 14 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.