The Bolt,shoulder, cataloged under National Stock Number 5306-01-060-6505, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-060-6505 |
| Primary Part Number | BM4356-4-0625 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Head Height | 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Fastener Length | 1.059 INCHES MINIMUM AND 1.079 INCHES MAXIMUM IN |
| Shoulder Length | 0.249 INCHES NOMINAL FIRST SHOULDER IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.444 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.367 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| BM4356-4-0625 | Huck International, Inc (USA) |
| PBF4356-4-0625 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VCB0008B4 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 71657C-4-0625 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| SF115-4-0625 | Saturn Fasteners Inc (USA) |
| AIC4356-4-0625 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| SII 1058-4-0625 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| Reference | Meaning |
|---|---|
| VS2986-4-0625 | 5/2 Secondary reference U.S. Government activity |
| C4356-4-0625 | 7/2 Vendor item drawing reference U.S. Government activity |
| BM4356-4-0625 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-01-060-6505 is a Bolt,shoulder, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-060-6505 has 7 manufacturer part numbers on file: BM4356-4-0625 (Huck International, Inc), PBF4356-4-0625 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VCB0008B4 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), 71657C-4-0625 (Sps Technologies, Llc Dba PB Fasteners), SF115-4-0625 (Saturn Fasteners Inc) and 2 more.
Key specifications for BM4356-4-0625: Head Height: 0.109 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Fastener Length: 1.059 INCHES MINIMUM AND 1.079 INCHES MAXIMUM IN; Shoulder Length: 0.249 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL. 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.