The Bolt,machine, cataloged under National Stock Number 5306-01-398-3708, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-398-3708 |
| Primary Part Number | GB511GJ4-9 |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.129 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Fastener Length | 1.146 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.576 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 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 |
|---|---|
| GB511GJ4-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| VCB0043-4-9 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1503-4-9 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 124506-9 | Sps Technologies, Llc Dba PB Fasteners (USA) |
NSN 5306-01-398-3708 is a Bolt,machine, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-398-3708 has 4 manufacturer part numbers on file: GB511GJ4-9 (Northrop Grumman Systems Corporation), VCB0043-4-9 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF1503-4-9 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 124506-9 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for GB511GJ4-9: Head Height: 0.129 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN; Fastener Length: 1.146 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.576 INCHES MINIMUM AND 0.593 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.