The Bolt,machine, cataloged under National Stock Number 5306-00-810-6145, 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 23 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5306-00-810-6145 |
| Primary Part Number | 392934 |
| 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 TOP OF HEAD |
| Surface Finish | 32.0 MICROINCHES SIDES OF HEAD |
| Surface Finish | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| Head Height | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Fastener Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Precious Material | SILVER |
| Thread Length | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Hole Configuration Style | HEXAGON FLATS |
| Material Document and Classification | AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.2117 TO 0.2175 INCHES IN |
| Surface Treatment | SILVER OVERALL |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Hole Quantity | 1 |
| Thread Series Designator | UNS |
| Hole Type | DRILLED |
| Hole Diameter | 0.070 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 |
|---|---|
| 392934 | Necchi Spa (ITA) |
| 392934 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 392934 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 392934 | Kito Mfg Co. Ltd (JPN) |
| 392934 | M.s. Aerospace Inc. Dba Ms Aerospace Inc (USA) |
| Reference | Meaning |
|---|---|
| 392934 | 5/9 Secondary reference U.S. Government activity |
| 392934 | 5/9 Secondary reference Kito Mfg Co. Ltd |
| 392934 | 5/9 Secondary reference Edwards Brothers Inc. |
NSN 5306-00-810-6145 is a Bolt,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-810-6145 has 5 manufacturer part numbers on file: 392934 (Necchi Spa), 392934 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 392934 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 392934 (Kito Mfg Co. Ltd), 392934 (M.s. Aerospace Inc. Dba Ms Aerospace Inc).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-564-9249. Verify interchangeability with system specifications before substitution.
Key specifications for 392934: Surface Finish: 32.0 MICROINCHES TOP OF HEAD; Surface Finish: 32.0 MICROINCHES SIDES OF HEAD; Surface Finish: 63.0 MICROINCHES BEARING SURFACE OF HEAD; Head Height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN. 23 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.