The Bolt,machine, cataloged under National Stock Number 5306-00-856-0745, 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 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-856-0745 |
| Primary Part Number | 471045 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Extended Washer Thickness | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Head Height | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Fastener Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Hole Configuration Style | DOUBLE HEXAGON FLATS |
| Material Document and Classification | AMS 5625 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Hole Quantity | 4 |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.050 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 | X |
| Part Number | Manufacturer |
|---|---|
| 471045 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 471045 | 5/9 Secondary reference Kwik File Storage Systems Llc |
NSN 5306-00-856-0745 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-856-0745 has 1 manufacturer part number on file: 471045 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-117-4212. Verify interchangeability with system specifications before substitution.
Key specifications for 471045: Extended Washer Thickness: 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN; Head Height: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Fastener Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN; Extended Washer Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 20 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.