The Stud,shouldered, cataloged under National Stock Number 5307-01-131-8186, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 8 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-131-8186 |
| Primary Part Number | HL146-6-4-1 |
| Item Name | Stud,shouldered |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Nut End Shank Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Thread Length | 0.304 INCHES MINIMUM AND 0.346 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.190 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.190 INCHES STUD THREAD IN |
| Shoulder Diameter | 0.357 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Stud End Shank Diameter | 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Nut End Shank Length | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Stud End Shank Length | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 32 STUD THREAD |
| Thread Quantity Per Inch | 32 NUT THREAD |
| Material | TITANIUM ALLOY UNS R56400 |
| Shoulder Length | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| 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 |
|---|---|
| HL146-6-4-1 | Huck International, Inc (USA) |
| AIC-L-146-3-4-1 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL146-6-4-1 | West Coast Aerospace, Inc. (USA) |
| HL146-6-4-1 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL146-6-4-1 PRIMARY | Hi-Shear Corporation (USA) |
| 11807-3-4-1 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HL146-6-4-1 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL146-6-4-1 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 10116403 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HL146-6-4-1 | 5/9 Secondary reference U.S. Government activity |
| 3M917-3-4-1 | 5/9 Secondary reference The Boeing Company Div Defense |
| HL146-6-4-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5307-01-131-8186 is a Stud,shouldered, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-131-8186 has 8 manufacturer part numbers on file: HL146-6-4-1 (Huck International, Inc), AIC-L-146-3-4-1 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL146-6-4-1 (West Coast Aerospace, Inc.), HL146-6-4-1 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL146-6-4-1 (Hi-Shear Corporation) and 3 more.
Key specifications for HL146-6-4-1: Nut End Shank Diameter: 0.188 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN; Thread Length: 0.304 INCHES MINIMUM AND 0.346 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.310 INCHES MINIMUM AND 0.340 INCHES MAXIMUM STUD THREAD IN; Style Designator: SHOULDERED. 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.