The Bolt,machine, cataloged under National Stock Number 5306-01-051-6032, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-051-6032 |
| Primary Part Number | GYS26-7-35 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Head Height | 0.257 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.689 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| 8745833-03 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 250A426 | Jay-Em Aerospace Corporation (USA) |
| 8745833-03 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 8745833-03 | Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co (USA) |
| 8745833-03 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 8745833-03 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GYS-26-7-35 | Meggitt Aircraft Braking Systems Corporation (USA) |
| 8745833-03 | Unirex, Inc. (USA) |
| GYS26-7-35 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 8745833-01 | 5/9 Secondary reference U.S. Government activity |
| 8745833-01 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| GYS-26-7-35 | 5/2 Secondary reference U.S. Government activity |
| 8745833-03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-051-6032 is a Bolt,machine, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-051-6032 has 9 manufacturer part numbers on file: 8745833-03 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 250A426 (Jay-Em Aerospace Corporation), 8745833-03 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 8745833-03 (Apex Manufacturing Company, Inc. Dba Apex Manufacturing Co), 8745833-03 (Sps Technologies, Llc Dba PB Fasteners) and 4 more.
Key specifications for GYS26-7-35: Head Height: 0.257 INCHES NOMINAL IN; Nominal Thread Diameter: 0.438 INCHES IN; Head Style: DOUBLE HEXAGON; Thread Direction: RIGHT-HAND. 10 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.