The Rivet,blind, cataloged under National Stock Number 5320-01-083-1634, 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 18 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 | 5320-01-083-1634 |
| Primary Part Number | BN537-524-4 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.465 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN |
| Lubrication | SOLID FILM |
| Expansion Device | THREADED SLEEVE |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE |
| Material Document and Classification | AMS 5731 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 | 0.250 INCHES NOMINAL IN |
| Shank Style | BLIND RIVET, NUT AND BOLT (ASSEMBLY) |
| Countersink Angle | 98.0 DEGREES MINIMUM AND 102.0 DEGREES MAXIMUM |
| Shear Strength | 110000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | IRON ALLOY 660 EXPANDER |
| Material | IRON ALLOY 660 SLEEVE |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| BN537-524-4 PRIMARY | Hi-Shear Corporation (USA) |
| BN537-524-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5320-01-083-1634 is a Rivet,blind, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-083-1634 has 2 manufacturer part numbers on file: BN537-524-4 (Hi-Shear Corporation), BN537-524-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for BN537-524-4: Shank Diameter: 0.465 INCHES MINIMUM AND 0.468 INCHES MAXIMUM IN; Lubrication: SOLID FILM; Expansion Device: THREADED SLEEVE; Material Document and Classification: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE SLEEVE. 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.