The Bolt,machine, cataloged under National Stock Number 5306-01-119-4260, 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 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-119-4260 |
| Primary Part Number | 4057846 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Head Height | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Fastener Length | 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN |
| Thread Length | 0.586 INCHES MINIMUM AND 0.606 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | 7477 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hole Quantity | 6 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Type | DRILLED |
| Hole Diameter | 0.037 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 4057846 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 4057846 | Necchi Spa (ITA) |
| 4057846 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 4057846 | 5/9 Secondary reference U.S. Government activity |
| 4057846 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| 4057846 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4057846 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-119-4260 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-119-4260 has 3 manufacturer part numbers on file: 4057846 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4057846 (Necchi Spa), 4057846 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 4057846: Head Height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Fastener Length: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN; Thread Length: 0.586 INCHES MINIMUM AND 0.606 INCHES MAXIMUM IN; Hole Configuration Style: HEXAGON LONGITUDINAL HOLE. 16 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.