The Bolt,shear, cataloged under National Stock Number 5306-01-628-1504, 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 16 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-628-1504 |
| Primary Part Number | GB511GF6-50 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.091 INCHES NOMINAL IN |
| Head Height | 0.388 INCHES NOMINAL IN |
| Fastener Length | 3.605 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.644 INCHES NOMINAL IN |
| Thread Length | 0.560 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.3750 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.125 INCHES NOMINAL IN |
| Width Between Flats | 0.439 INCHES NOMINAL IN |
| Grip Diameter | 0.3745 INCHES NOMINAL IN |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| GB511GF6-50 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| GB511GF6-50 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GB511GF6-50 | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| GB511GF6-50 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511GF6-50 | Houston Precision Fasteners I Lp (USA) |
| GB511GF6-50 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511GF6-50 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| GB511GF6-50 | 5/2 Secondary reference U.S. Government activity |
| GB511GF6-50 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5306-01-628-1504 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-628-1504 has 7 manufacturer part numbers on file: GB511GF6-50 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), GB511GF6-50 (Northrop Grumman Systems Corporation), GB511GF6-50 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems), GB511GF6-50 (Sps Technologies, Llc Dba PB Fasteners), GB511GF6-50 (Houston Precision Fasteners I Lp) and 2 more.
Key specifications for GB511GF6-50: Extended Washer Thickness: 0.091 INCHES NOMINAL IN; Head Height: 0.388 INCHES NOMINAL IN; Fastener Length: 3.605 INCHES NOMINAL IN; Extended Washer Diameter: 0.644 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.