The Bolt,shoulder, cataloged under National Stock Number 5306-01-503-4390, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-503-4390 |
| Primary Part Number | PBF1602C7D36 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN |
| Fastener Length | 2.872 INCHES MINIMUM AND 2.912 INCHES MAXIMUM IN |
| Shoulder Length | 2.260 INCHES MINIMUM AND 2.280 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| Surface Treatment Document and Classification | QQ-C-320,CLASS 2,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| Shoulder Diameter | 0.495 INCHES MINIMUM AND 0.499 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.629 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Shank Unthreaded Hole Diameter | 0.106 INCHES NOMINAL CONCENTRIC HOLE IN |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.4375 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.740 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM GRIP |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment | CHROMIUM PRIMARY WASHER |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | IRON ALLOY 660 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 1.938 INCHES NOMINAL ALL HOLES 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 |
|---|---|
| PBF1602C7D36 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| AIC1690C7D36 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| FIT7807C7D36 PRIMARY | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| SLB530D7D36 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| 1690C7D36 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| VS3589-7D36C | 3/2 Design control — primary reference U.S. Government activity |
| 3D0124C7D36 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-503-4390 is a Bolt,shoulder, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-503-4390 has 4 manufacturer part numbers on file: PBF1602C7D36 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), AIC1690C7D36 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), FIT7807C7D36 (Fastener Innovation Technology, Inc. Dba F I T), SLB530D7D36 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for PBF1602C7D36: Head Height: 0.265 INCHES MINIMUM AND 0.297 INCHES MAXIMUM IN; Fastener Length: 2.872 INCHES MINIMUM AND 2.912 INCHES MAXIMUM IN; Shoulder Length: 2.260 INCHES MINIMUM AND 2.280 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 24 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.