The Bolt,machine, cataloged under National Stock Number 5306-01-513-5140, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-513-5140 |
| Primary Part Number | GB511GF10-34 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.125 INCHES NOMINAL IN |
| Head Height | 0.673 INCHES NOMINAL IN |
| Fastener Length | 3.235 INCHES MINIMUM AND 3.265 INCHES MAXIMUM IN |
| Extended Washer Diameter | 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN |
| Thread Length | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Features Provided | FINISHED HEAD |
| Head Style | DOUBLE HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| GB511GF10-34 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5306-01-513-5140 is a Bolt,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-513-5140 has 1 manufacturer part number on file: GB511GF10-34 (Northrop Grumman Systems Corporation).
Key specifications for GB511GF10-34: Extended Washer Thickness: 0.125 INCHES NOMINAL IN; Head Height: 0.673 INCHES NOMINAL IN; Fastener Length: 3.235 INCHES MINIMUM AND 3.265 INCHES MAXIMUM IN; Extended Washer Diameter: 1.185 INCHES MINIMUM AND 1.195 INCHES MAXIMUM IN. 14 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.