The Bolt,shoulder, cataloged under National Stock Number 5306-00-448-7447, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company. Government technical data includes 21 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-448-7447 |
| Primary Part Number | AIC4356CR81010 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| Status | ACTIVE |
| Head Height | 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN |
| Fastener Length | 1.438 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN |
| Shoulder Length | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-C-320 FED SPEC 1ST TREATMENT RESPONSE OR NAS 672 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.324 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 49.0 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 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 | CHROMIUM OR CADMIUM OVERALL |
| 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 | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.245 INCHES MINIMUM AND 1.265 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 |
|---|---|
| AIC4356CR81010 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| C4356CR81010 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| C4356CR81010 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| C4356CR81010 | Huck International, Inc (USA) |
| C4356CR81010 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| C4356CR81010 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| C4356CR81010 | 7/2 Vendor item drawing reference U.S. Government activity |
| C4356CR81010 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-448-7447 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-448-7447 has 6 manufacturer part numbers on file: AIC4356CR81010 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), C4356CR81010 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), C4356CR81010 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), C4356CR81010 (Huck International, Inc), C4356CR81010 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 1 more.
Key specifications for AIC4356CR81010: Head Height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN; Fastener Length: 1.438 INCHES MINIMUM AND 1.458 INCHES MAXIMUM IN; Shoulder Length: 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-C-320 FED SPEC 1ST TREATMENT RESPONSE OR NAS 672 ASSN STD 2ND TREATMENT RESPONSE OVERALL. 21 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.