The Bolt,shoulder, cataloged under National Stock Number 5306-01-337-2299, 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 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-337-2299 |
| Primary Part Number | AIC4356-6-1270 |
| 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 | 0.152 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN |
| Fastener Length | 1.635 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN |
| Shoulder Length | 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM ALL SHOULDERS IN |
| Surface Treatment Document and Classification | NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM ALL SHOULDERS IN |
| Thread Length | 0.261 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Material Document and Classification | AMS 6485 (H-11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.313 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.497 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 OVERALL |
| 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 |
|---|---|
| AIC4356-6-1270 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| PBF4356-6-1270 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VCB0051B6-1-270 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| SII 1058-6-1270 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 71657-6-1270 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| VS2986-6-1270 | 3/2 Design control — primary reference U.S. Government activity |
| BH4356-6-1270 | 5/9 Secondary reference U.S. Government activity |
| 5306-001-6-1270 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
NSN 5306-01-337-2299 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 5306-01-337-2299 has 5 manufacturer part numbers on file: AIC4356-6-1270 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), PBF4356-6-1270 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VCB0051B6-1-270 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), SII 1058-6-1270 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), 71657-6-1270 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for AIC4356-6-1270: Head Height: 0.152 INCHES MINIMUM AND 0.184 INCHES MAXIMUM IN; Fastener Length: 1.635 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN; Shoulder Length: 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM ALL SHOULDERS IN; Surface Treatment Document and Classification: NAS 672 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL. 17 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.