The Bolt,machine, cataloged under National Stock Number 5306-00-780-7004, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-780-7004 |
| Primary Part Number | 578276 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Fastener Length | 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| Thread Length | 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 INCHES NOMINAL IN |
| 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 |
|---|---|
| 578276 | Acufast Aircraft Products (USA) |
| 578276 | Rtx Corporation Div Pratt & Whitney (USA) |
| 578276 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 578276 | 5/9 Secondary reference U.S. Government activity |
| 578276 | 5/9 Secondary reference U.S. Government activity |
| 578276 | 5/9 Secondary reference U.S. Government activity |
| 578276 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5306-00-780-7004 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-780-7004 has 3 manufacturer part numbers on file: 578276 (Acufast Aircraft Products), 578276 (Rtx Corporation Div Pratt & Whitney), 578276 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 578276: Head Height: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Fastener Length: 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN; Thread Length: 0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM IN; Hole Configuration Style: HEXAGON FLATS. 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.