The Bolt,shoulder, cataloged under National Stock Number 5306-01-233-8660, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-233-8660 |
| Primary Part Number | SII-1058N6D4058 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Head Height | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Fastener Length | 4.423 INCHES MINIMUM AND 4.443 INCHES MAXIMUM IN |
| Shoulder Length | 4.048 INCHES MINIMUM AND 4.068 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE THREADS |
| Shoulder Diameter | 0.241 INCHES MINIMUM AND 0.251 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.375 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Unthreaded Hole Diameter | 0.076 INCHES MINIMUM AND 0.095 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | AMS 6485 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR NICKEL HEAD |
| Surface Treatment | CADMIUM OR NICKEL THREADS |
| 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) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 4.263 INCHES MINIMUM AND 4.283 INCHES MAXIMUM FIRST HOLE IN |
| 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 |
|---|---|
| SII-1058N6D4058 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| PBF4356N6D4058 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC4356N6D4058 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| C4356N6D4058 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| VCB0008A6-5-058 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| VS2986N6D4058 | 3/2 Design control — primary reference U.S. Government activity |
| C4356N6D4058 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-233-8660 is a Bolt,shoulder, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-233-8660 has 5 manufacturer part numbers on file: SII-1058N6D4058 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), PBF4356N6D4058 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC4356N6D4058 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C4356N6D4058 (Sps Technologies, Llc Dba PB Fasteners), VCB0008A6-5-058 (Valley-Todeco, Inc. Dba Arconic Fastening Systems).
Key specifications for SII-1058N6D4058: Head Height: 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Fastener Length: 4.423 INCHES MINIMUM AND 4.443 INCHES MAXIMUM IN; Shoulder Length: 4.048 INCHES MINIMUM AND 4.068 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: NAS 672 ASSN STD 1ST TREATMENT RESPONSE OR AMS 2416 ASSN STD 2ND TREATMENT RESPONSE HEAD. 23 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.