The Pin-Rivet, cataloged under National Stock Number 5320-01-481-0771, 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 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-481-0771 |
| Primary Part Number | HL1033AZ-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 | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN |
| Head Height | 0.0928 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN |
| Fastener Length | 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Tip Diameter | 0.241 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Head Style | COOPER'S |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 1.755 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, TAPERED, THREADED |
| Surface Treatment | ALUMINUM OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | TITANIUM ALLOY OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.5018 INCHES MINIMUM AND 0.5066 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 |
|---|---|
| HL1033AZ-8-28 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| HL1033AZ-8-28 PRIMARY | Hi-Shear Corporation (USA) |
NSN 5320-01-481-0771 is a Pin-Rivet, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-481-0771 has 2 manufacturer part numbers on file: HL1033AZ-8-28 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), HL1033AZ-8-28 (Hi-Shear Corporation).
Key specifications for HL1033AZ-8-28: Shank Diameter: 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM IN; Head Height: 0.0928 INCHES MINIMUM AND 0.0948 INCHES MAXIMUM IN; Fastener Length: 2.135 INCHES MINIMUM AND 2.155 INCHES MAXIMUM IN; Material Document and Classification: AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 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.