The Pin-Rivet, cataloged under National Stock Number 5320-01-506-5550, 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 15 specifications, cited from the U.S. Government catalog. The record lists 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-506-5550 |
| Primary Part Number | HL746-16-28 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.5141 INCHES MINIMUM AND 0.5151 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Head Height | 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Grip Length | 1.870 INCHES MINIMUM AND 1.880 INCHES MAXIMUM IN |
| Width Between Flats | 0.269 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Shear Strength | 52200 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.735 INCHES MINIMUM AND 0.770 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 |
|---|---|
| HL746-16-28 | Huck International, Inc (USA) |
| HL746-16-28 | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL746-16-28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL746-16-28 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL746-16-28 | West Coast Aerospace, Inc. (USA) |
| HL746-16-28 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL746-16-28 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL746-16-28 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5320-01-506-5550 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-506-5550 has 7 manufacturer part numbers on file: HL746-16-28 (Huck International, Inc), HL746-16-28 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL746-16-28 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL746-16-28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL746-16-28 (West Coast Aerospace, Inc.) and 2 more.
Key specifications for HL746-16-28: Shank Diameter: 0.5141 INCHES MINIMUM AND 0.5151 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Head Height: 0.178 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Material Document and Classification: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.