The Bolt,shoulder, cataloged under National Stock Number 5306-01-536-3904, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-536-3904 |
| Primary Part Number | 3M1081-4-7 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 0.7225 INCHES MINIMUM AND 0.7845 INCHES MAXIMUM IN |
| Shoulder Length | 0.4275 INCHES MINIMUM AND 0.4475 INCHES MAXIMUM GRIP IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.246 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM GRIP IN |
| Thread Length | 0.316 INCHES NOMINAL IN |
| Shoulder Shape | ROUND GRIP |
| Criticality Code Justification | AGAV |
| Material Document and Classification | NASM 7839 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Color | RED HEAD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL CORROSION RESISTING 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 3M1081-4-7 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 3M1081-4-7 PRIMARY | The Boeing Company Div Defense (USA) |
| 3M1081-4-7 | Howmet Global Fastening Systems Inc (USA) |
| 3M1081-4-7 | Heartland Precision Fasteners Inc (USA) |
NSN 5306-01-536-3904 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-536-3904 has 4 manufacturer part numbers on file: 3M1081-4-7 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 3M1081-4-7 (The Boeing Company Div Defense), 3M1081-4-7 (Howmet Global Fastening Systems Inc), 3M1081-4-7 (Heartland Precision Fasteners Inc).
Key specifications for 3M1081-4-7: Fastener Length: 0.7225 INCHES MINIMUM AND 0.7845 INCHES MAXIMUM IN; Shoulder Length: 0.4275 INCHES MINIMUM AND 0.4475 INCHES MAXIMUM GRIP IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Diameter: 0.246 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM GRIP IN. 16 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.