The Rivet,blind, cataloged under National Stock Number 5320-01-032-8074, 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 20 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-032-8074 |
| Primary Part Number | BN527-428-4 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.387 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Expansion Device | EXPANDER |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE SLEEVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE EXPANDER |
| Material Document and Classification | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE EXPANDER |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Grip Length | 0.250 INCHES NOMINAL IN |
| Shank Style | BLIND RIVET, NUT AND BOLT (ASSEMBLY) |
| Surface Treatment | ANODIZE OR CHROMATE SLEEVE |
| Surface Treatment | CADMIUM EXPANDER |
| Countersink Angle | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 303 EXPANDER |
| Material | ALUMINUM ALLOY 2017 SLEEVE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.450 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 |
|---|---|
| BN527-428-4 | West Coast Aerospace, Inc. (USA) |
| BN527-428-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BN527-428-4 PRIMARY | Hi-Shear Corporation (USA) |
NSN 5320-01-032-8074 is a Rivet,blind, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-032-8074 has 3 manufacturer part numbers on file: BN527-428-4 (West Coast Aerospace, Inc.), BN527-428-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BN527-428-4 (Hi-Shear Corporation).
Key specifications for BN527-428-4: Shank Diameter: 0.387 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Expansion Device: EXPANDER; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE SLEEVE; Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE EXPANDER. 20 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.