The Bolt,shear, cataloged under National Stock Number 5306-01-028-2464, 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 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-028-2464 |
| Primary Part Number | GB511B6-14 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Fastener Length | 1.259 INCHES MINIMUM AND 1.306 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Length | 0.374 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 08524-B-17020 MANUFACTURERS STANDARD |
| Grip Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Width Between Flats | 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN |
| Grip Diameter | 0.3733 INCHES MINIMUM AND 0.3742 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 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 |
|---|---|
| GB511B6-14 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| VS3071-6F14 | Howmet Global Fastening Systems Inc (USA) |
| GB511B6-14 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511B6-14 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511B6-14 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BM17020-6-14A | 7/2 Vendor item drawing reference Huck International, Inc |
| EWSB22D6-14A | 5/9 Secondary reference U.S. Government activity |
| VS3071-6F14 | 5/9 Secondary reference U.S. Government activity |
| BM17020-6-14A | 5/9 Secondary reference U.S. Government activity |
| EWSB22D6-14A | 5/9 Secondary reference Genova Inc |
NSN 5306-01-028-2464 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-028-2464 has 5 manufacturer part numbers on file: GB511B6-14 (Northrop Grumman Systems Corporation), VS3071-6F14 (Howmet Global Fastening Systems Inc), GB511B6-14 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GB511B6-14 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511B6-14 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for GB511B6-14: Head Height: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Fastener Length: 1.259 INCHES MINIMUM AND 1.306 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Thread Length: 0.374 INCHES MINIMUM AND 0.441 INCHES MAXIMUM IN. 19 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.