The Bolt,shear, cataloged under National Stock Number 5306-01-043-8053, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Valley-Todeco, Inc. Dba Arconic Fastening Systems. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-043-8053 |
| Primary Part Number | VAL22033-4-8 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| Status | ACTIVE |
| Head Height | 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN |
| Thread Length | 0.267 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN |
| Hardness Rating | 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | DOUBLE HEXAGON |
| Thread Direction | RIGHT-HAND |
| Specification/standard Data | 26512-GB511C PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| 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 |
|---|---|
| VAL22033-4-8 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GB511C4-8 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC516C-4-8 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| H402-4A8 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM170212-4-A8 | 5/9 Secondary reference U.S. Government activity |
| EWSB26-4-A8 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| GB511C4-8 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| EWSB26-4-A8 | 5/9 Secondary reference U.S. Government activity |
| BM170212-4-A8 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3072-4-8 | 3/2 Design control — primary reference U.S. Government activity |
| BM170212-4-A8 | 5/9 Secondary reference Deutsch Fastener Corp |
| H402-4A8 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-043-8053 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-043-8053 has 3 manufacturer part numbers on file: VAL22033-4-8 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), GB511C4-8 (Sps Technologies, Llc Dba PB Fasteners), AIC516C-4-8 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for VAL22033-4-8: Head Height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Thread Length: 0.267 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN; Hardness Rating: 51.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM OVERALL; Nominal Thread Diameter: 0.250 INCHES IN. 13 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.