The Pin-Rivet, cataloged under National Stock Number 5320-01-497-4446, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-497-4446 |
| Primary Part Number | ST3M812-5-6 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM AND CETYL ALCOHOL |
| Fastener Length | 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.3125 INCHES IN |
| Grip Length | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Width Between Flats | 0.1270 INCHES MINIMUM AND 0.1295 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.4689 INCHES MINIMUM AND 0.4739 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 |
|---|---|
| ST3M812-5-6 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M812-5-6 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M812-5-6 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M812-5-6 PRIMARY | Heartland Precision Fasteners Inc (USA) |
| ST3M812-5-6 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M812-5-6 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| ST3M812-5-6 PRIMARY | Huck International, Inc (USA) |
| ST3M812-5-6 PRIMARY | West Coast Aerospace, Inc. (USA) |
| ST3M812-5-6 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HLT151TB-10-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| ST3M812-5-6 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| HLT151TB-10-6 | 5/9 Secondary reference U.S. Government activity |
| HLT151TB-10-6 | 5/9 Secondary reference Huck International, Inc |
| ST3M812-5-6 | 5/9 Secondary reference Sps Technologies Inc |
| HLT151TB-10-6 | 5/9 Secondary reference Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company |
| ST3M812-5-6 | 5/9 Secondary reference U.S. Government activity |
| HP4812-5-6 | 5/9 Secondary reference Heartland Precision Fasteners Inc |
| HLT151TB-10-6 | 5/9 Secondary reference Sps Technologies Inc |
| HLT151TB-10-6 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
| HLT151TB-10-6 | 5/9 Secondary reference West Coast Aerospace, Inc. |
| HLT151DL-10-6 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5320-01-497-4446 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-497-4446 has 9 manufacturer part numbers on file: ST3M812-5-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M812-5-6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), ST3M812-5-6 (Sps Technologies, Llc Dba PB Fasteners), ST3M812-5-6 (Heartland Precision Fasteners Inc), ST3M812-5-6 (Howmet Global Fastening Systems Inc) and 4 more.
Key specifications for ST3M812-5-6: Shank Diameter: 0.3271 INCHES MINIMUM AND 0.3276 INCHES MAXIMUM IN; Lubrication: SOLID FILM AND CETYL ALCOHOL; Fastener Length: 0.910 INCHES MINIMUM AND 0.930 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.