The Bolt,machine, cataloged under National Stock Number 5306-00-554-6837, 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 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-554-6837 |
| Primary Part Number | 466319 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Fastener Length | 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN |
| Thread Length | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.180 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Width Between Flats | 0.180 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Askewed Head Angle | 45.0 DEGREES NOMINAL |
| Countersink Angle | 90.0 DEGREES NOMINAL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF |
| Head Diameter | 0.510 INCHES MINIMUM AND 0.530 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 |
|---|---|
| 466319 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 466319 | Linread Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 466319 | 5/2 Secondary reference U.S. Government activity |
| 466319 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 466319 | 5/9 Secondary reference Quanta Systems Corp Dba Data-Control Systems |
| 466319 | 5/2 Secondary reference U.S. Government activity |
| 466319 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-554-6837 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-554-6837 has 2 manufacturer part numbers on file: 466319 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 466319 (Linread Ltd).
Key specifications for 466319: Fastener Length: 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN; Thread Length: 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; Features Provided: FINISHED HEAD. 15 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.