The Bolt,shoulder, cataloged under National Stock Number 5306-01-155-1874, 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. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-155-1874 |
| Primary Part Number | 65960-6-6 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Head Height | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN |
| Fastener Length | 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Shoulder Length | 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.216 INCHES MINIMUM AND 0.217 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM 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 |
|---|---|
| 65960-6-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL240-6-6 PRIMARY | Hi-Shear Corporation (USA) |
| L-805Y-6-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL240-6-6 PRIMARY | Huck International, Inc (USA) |
| HL240-6-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| HL240-6-6 | 3/2 Design control — primary reference U.S. Government activity |
| 5BACB30KK6-6 | 3/2 Design control — primary reference U.S. Government activity |
| HL240-6-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HL240-6-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-155-1874 is a Bolt,shoulder, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-155-1874 has 5 manufacturer part numbers on file: 65960-6-6 (Sps Technologies, Llc Dba PB Fasteners), HL240-6-6 (Hi-Shear Corporation), L-805Y-6-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL240-6-6 (Huck International, Inc), HL240-6-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for 65960-6-6: Head Height: 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Fastener Length: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN; Shoulder Length: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.