The Bolt,shoulder, cataloged under National Stock Number 5306-01-060-7248, 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 22 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-060-7248 |
| Primary Part Number | SII058N8D2750 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Fastener Length | 3.178 INCHES MINIMUM AND 3.198 INCHES MAXIMUM IN |
| Shoulder Length | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE THREADS |
| Surface Treatment Document and Classification | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE HEAD |
| Shoulder Diameter | 0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.438 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 | 0.106 INCHES MINIMUM AND 0.116 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 | 0.375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.679 INCHES MINIMUM AND 0.689 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM THREADS |
| Surface Treatment | CADMIUM HEAD |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 2.985 INCHES MINIMUM AND 3.005 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 |
|---|---|
| SII058N8D2750 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| VCB0008A8-2-750 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| AIC4356N8D2750 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 71657CD-8-2750 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BM4356N8D-2750 | Huck International, Inc (USA) |
| PBF4356N8D2750 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 5306PL1802949 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C4356N8D2750 | 7/2 Vendor item drawing reference U.S. Government activity |
| VS2986N8D2750 | 5/2 Secondary reference U.S. Government activity |
| C4356N8D2750 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| C4356N8D2750 | 5/9 Secondary reference Valley-Todeco, Inc. Dba Arconic Fastening Systems |
| C4356N8D2750 | 5/9 Secondary reference Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| 5306PL1497557 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5306-01-060-7248 is a Bolt,shoulder, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-060-7248 has 6 manufacturer part numbers on file: SII058N8D2750 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), VCB0008A8-2-750 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), AIC4356N8D2750 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 71657CD-8-2750 (Sps Technologies, Llc Dba PB Fasteners), BM4356N8D-2750 (Huck International, Inc) and 1 more.
Key specifications for SII058N8D2750: Head Height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Fastener Length: 3.178 INCHES MINIMUM AND 3.198 INCHES MAXIMUM IN; Shoulder Length: 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: NAS 672 ASSN STD SINGLE TREATMENT RESPONSE THREADS. 22 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.