The Bolt,machine, cataloged under National Stock Number 5306-00-693-6566, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-693-6566 |
| Primary Part Number | 35-524123 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Head Height | 0.172 INCHES NOMINAL IN |
| Fastener Length | 1.281 INCHES NOMINAL IN |
| Thread Length | 1.234 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.440 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 35-524123 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 5306L23-003 | 5/2 Secondary reference U.S. Government activity |
| 35-524123 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5306-00-693-6566 is a Bolt,machine, manufactured by Textron Aviation Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-693-6566 has 1 manufacturer part number on file: 35-524123 (Textron Aviation Inc).
Key specifications for 35-524123: Head Height: 0.172 INCHES NOMINAL IN; Fastener Length: 1.281 INCHES NOMINAL IN; Thread Length: 1.234 INCHES MINIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN. 13 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.