The Pin-Rivet, cataloged under National Stock Number 5320-01-628-6978, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Voi-Shan Products. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-628-6978 |
| Primary Part Number | HL18PB-10-33 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| Status | ACTIVE |
| Shank Diameter | 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Height | 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN |
| Fastener Length | 2.553 INCHES MINIMUM AND 2.573 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Head Style | STRAIGHT PAN |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 2.058 INCHES MINIMUM AND 2.068 INCHES MAXIMUM IN |
| Width Between Flats | 0.127 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 95000 SINGLE POUNDS PER SQUARE INCH |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.475 INCHES MINIMUM AND 0.505 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 |
|---|---|
| HL18PB-5-33 | West Coast Aerospace, Inc. (USA) |
| HL18PB-10-33 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| HL18PB-10-33 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL18PB-10-33 PRIMARY | Hi-Shear Corporation (USA) |
| HL18PB-5-33 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| GB511D5-33 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5320-01-628-6978 is a Pin-Rivet, manufactured by Howmet Global Fastening Systems Inc. Div Voi-Shan Products, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-628-6978 has 5 manufacturer part numbers on file: HL18PB-5-33 (West Coast Aerospace, Inc.), HL18PB-10-33 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), HL18PB-10-33 (Sps Technologies, Llc Dba PB Fasteners), HL18PB-10-33 (Hi-Shear Corporation), HL18PB-5-33 (Hi-Shear Corporation).
Key specifications for HL18PB-10-33: Shank Diameter: 0.311 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Height: 0.068 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN; Fastener Length: 2.553 INCHES MINIMUM AND 2.573 INCHES MAXIMUM 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.