The Bolt,machine, cataloged under National Stock Number 5306-00-785-8501, 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 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-785-8501 |
| Primary Part Number | 415706 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES THREADS |
| Surface Finish | 63.0 MICROINCHES GRIP |
| Head Height | 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN |
| Fastener Length | 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN |
| Thread Length | 0.952 INCHES MINIMUM AND 0.992 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE CHAMFER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.330 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.2213 TO 0.2238 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNS |
| Head Diameter | 0.401 INCHES MINIMUM AND 0.481 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 415706 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| 415706 | Bristol Industries, Llc (USA) |
| 415706 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 415706 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 415706 | 5/2 Secondary reference U.S. Government activity |
| 415706 | 5/9 Secondary reference Sps Technologies Inc |
| 415706 | 5/2 Secondary reference U.S. Government activity |
| 415706 | 5/9 Secondary reference North Bridge Fasteners Div of North Bridge Ltd |
| 415706 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5306-00-785-8501 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-785-8501 has 4 manufacturer part numbers on file: 415706 (M.s. Aerospace Inc. Dba Ms Aerospace Inc), 415706 (Bristol Industries, Llc), 415706 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 415706 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 415706: Surface Finish: 32.0 MICROINCHES THREADS; Surface Finish: 63.0 MICROINCHES GRIP; Head Height: 0.220 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN; Fastener Length: 1.302 INCHES MINIMUM AND 1.322 INCHES MAXIMUM IN. 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.