The Bolt,shear, cataloged under National Stock Number 5306-01-064-5458, 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 15 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-064-5458 |
| Primary Part Number | VEPS156121-4V4 |
| 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 |
| Fastener Length | 0.527 INCHES MINIMUM AND 0.574 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 |
| Grip Length | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Grip Diameter | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| VEPS156121-4V4 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC516C-4-4 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| EWSB26-4A4 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| BM17021Z-4A4 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| BM17021Z-4-4A | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| VS3072-4 | 3/2 Design control — primary reference U.S. Government activity |
| BM17021Z-4-4A | 5/9 Secondary reference U.S. Government activity |
| H402-4-4 | 5/9 Secondary reference U.S. Government activity |
| H402-4-4 | C/1 Advisory reference — outside the item-of-supply concept Huck International, Inc |
| EWSB26-4A4 | 5/9 Secondary reference U.S. Government activity |
| BM17021Z-4A4 | 5/9 Secondary reference U.S. Government activity |
| GB511C4-4 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5306-01-064-5458 is a Bolt,shear, manufactured by Valley-Todeco, Inc. Dba Arconic Fastening Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-064-5458 has 3 manufacturer part numbers on file: VEPS156121-4V4 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), AIC516C-4-4 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), EWSB26-4A4 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for VEPS156121-4V4: Head Height: 0.154 INCHES MINIMUM AND 0.174 INCHES MAXIMUM IN; Fastener Length: 0.527 INCHES MINIMUM AND 0.574 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. 15 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.