The Rivet,blind, cataloged under National Stock Number 5320-01-033-0488, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 20 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 | 5320-01-033-0488 |
| Primary Part Number | BN532-524-1-22 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.465 INCHES NOMINAL IN |
| Expansion Device | THREADED SLEEVE |
| 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 | 0.312 INCHES IN |
| Grip Length | 0.062 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 | 24 |
| Material | STEEL COMP 303 EXPANDER |
| Material | ALUMINUM ALLOY 2017 SLEEVE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.528 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 |
|---|---|
| BN532-524-1-22 PRIMARY | Hi-Shear Corporation (USA) |
| BN532-524-1-22 | West Coast Aerospace, Inc. (USA) |
NSN 5320-01-033-0488 is a Rivet,blind, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-033-0488 has 2 manufacturer part numbers on file: BN532-524-1-22 (Hi-Shear Corporation), BN532-524-1-22 (West Coast Aerospace, Inc.).
Key specifications for BN532-524-1-22: Shank Diameter: 0.465 INCHES NOMINAL IN; Expansion Device: THREADED SLEEVE; 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.