The Bolt,machine, cataloged under National Stock Number 5306-00-122-6785, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-122-6785 |
| Primary Part Number | GY1810-36 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.150 INCHES NOMINAL IN |
| Head Height | 0.618 INCHES NOMINAL IN |
| Fastener Length | 3.188 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.045 INCHES NOMINAL IN |
| Thread Length | 0.938 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 2.250 INCHES NOMINAL IN |
| Width Between Flats | 0.682 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| GY1810-36 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
| GY1810-36 | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| GY1810-36 | 5/9 Secondary reference Goodyear Tire and Rubber Co the |
| GY1810-36 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| GY1810-36 | 5/9 Secondary reference Loral Corp Aircraft Braking Systems Div |
NSN 5306-00-122-6785 is a Bolt,machine, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-122-6785 has 2 manufacturer part numbers on file: GY1810-36 (Meggitt Aircraft Braking Systems Corporation), GY1810-36 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).
Key specifications for GY1810-36: Extended Washer Thickness: 0.150 INCHES NOMINAL IN; Head Height: 0.618 INCHES NOMINAL IN; Fastener Length: 3.188 INCHES NOMINAL IN; Extended Washer Diameter: 1.045 INCHES NOMINAL IN. 16 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.