The Bolt,machine, cataloged under National Stock Number 5306-00-576-6655, 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 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-576-6655 |
| Primary Part Number | 317671 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Head Height | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Fastener Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Thread Length | 0.719 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Criticality Code Justification | FEAT |
| Hole Configuration Style | DOUBLE HEXAGON LONGITUDINAL HOLE |
| Material Document and Classification | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.2797 TO 0.2824 INCHES IN |
| Surface Treatment | NICKEL AND CADMIUM OVERALL |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 601 OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.062 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 317671 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 317671 | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| 317671 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| 317671 | 5/9 Secondary reference U.S. Government activity |
| 317671 | 5/9 Secondary reference Precision Speed Manufacturing, Llc |
NSN 5306-00-576-6655 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-576-6655 has 2 manufacturer part numbers on file: 317671 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 317671 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 317671: Extended Washer Thickness: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Head Height: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; Fastener Length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN; Extended Washer Diameter: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. 22 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.