The Rivet,blind, cataloged under National Stock Number 5320-01-210-3943, 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 21 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 | 5320-01-210-3943 |
| Primary Part Number | BB351-14-16 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.3090 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN |
| Expansion Device | THREADED SLEEVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE |
| Material Document and Classification | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A493 ASSN STD 2ND MATERIAL RESPONSE SLEEVE |
| 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 | 1.553 INCHES MAXIMUM IN |
| Shank Style | BLIND RIVET, NUT AND BOLT (ASSEMBLY) |
| Surface Treatment | PASSIVATE BOLT |
| Surface Treatment | PASSIVATE EXPANDER |
| Surface Treatment | CADMIUM SLEEVE |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 125000 SINGLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 431 BOLT |
| Material | STEEL COMP 431 EXPANDER |
| Material | STEEL COMP 302 OR STEEL COMP 305 SLEEVE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.6335 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 |
|---|---|
| BB351-14-16 PRIMARY | Hi-Shear Corporation (USA) |
| BB351-14-16 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5320-01-210-3943 is a Rivet,blind, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-210-3943 has 2 manufacturer part numbers on file: BB351-14-16 (Hi-Shear Corporation), BB351-14-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for BB351-14-16: Shank Diameter: 0.3090 INCHES MINIMUM AND 0.3110 INCHES MAXIMUM IN; Expansion Device: THREADED SLEEVE; Surface Treatment Document and Classification: QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SLEEVE; Material Document and Classification: QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A493 ASSN STD 2ND MATERIAL RESPONSE SLEEVE. 21 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.