The Pin-Rivet, cataloged under National Stock Number 5320-01-050-7488, 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 7 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-050-7488 |
| Primary Part Number | HL20PB-8-28 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Head Height | 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Fastener Length | 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.755 INCHES MAXIMUM IN |
| Width Between Flats | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Shear Strength | 9300 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.415 INCHES MINIMUM AND 0.440 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 |
|---|---|
| HL20PB-8-28 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HL20PB-8-28 | Huck International, Inc (USA) |
| HL20PB-8-28 | West Coast Aerospace, Inc. (USA) |
| HL20PB-8-28 | Howmet Global Fastening Systems Inc (USA) |
| HL20PB-8-28 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| HL20PB-8-28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL20PB-8-28 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| HL20PB-8-28 | 5/9 Secondary reference Howmet Global Fastening Systems Inc. Div Voi-Shan Products |
| HL20PB-8-28 | 5/9 Secondary reference Sps Technologies Inc |
| HL20PB-8-28 | 5/9 Secondary reference U.S. Government activity |
| HL20PB-8-28 | 5/9 Secondary reference U.S. Government activity |
| BACB30MB8-28 | 5/2 Secondary reference U.S. Government activity |
| 100-048-8-28 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5320-01-050-7488 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-050-7488 has 7 manufacturer part numbers on file: HL20PB-8-28 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), HL20PB-8-28 (Huck International, Inc), HL20PB-8-28 (West Coast Aerospace, Inc.), HL20PB-8-28 (Howmet Global Fastening Systems Inc), HL20PB-8-28 (Sps Technologies, Llc Dba PB Fasteners) and 2 more.
Key specifications for HL20PB-8-28: Shank Diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Head Height: 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Fastener Length: 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN. 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.