The Bolt,shear, cataloged under National Stock Number 5306-00-607-1145, 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 18 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-607-1145 |
| Primary Part Number | GB511B3-6 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Head Height | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Fastener Length | 0.595 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.210 INCHES MINIMUM AND 0.277 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 | 0.190 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1894 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| 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 |
|---|---|
| GB511B3-6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| GB511B3-6 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GB511B3-6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511B3-6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| GB511B3-6 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BM17020-3-6 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| EWSB22D6 | 5/9 Secondary reference U.S. Government activity |
| VEPS132121-3F6 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| VS3071-3F6 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| VS3071-3F6 | 5/9 Secondary reference U.S. Government activity |
| EWSB22D6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| BM17020-3-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-607-1145 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-607-1145 has 5 manufacturer part numbers on file: GB511B3-6 (Sps Technologies, Llc Dba PB Fasteners), GB511B3-6 (Northrop Grumman Systems Corporation), GB511B3-6 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511B3-6 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), GB511B3-6 (Huck International, Inc).
Key specifications for GB511B3-6: Head Height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Fastener Length: 0.595 INCHES MINIMUM AND 0.642 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.210 INCHES MINIMUM AND 0.277 INCHES MAXIMUM IN. 18 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.