The Pin-Rivet, cataloged under National Stock Number 5320-01-429-2656, 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 17 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-429-2656 |
| Primary Part Number | BACB30MB6A5 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Head Height | 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Fastener Length | 0.627 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Grip Length | 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Width Between Flats | 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.357 INCHES MINIMUM AND 0.377 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 |
|---|---|
| BACB30MB6A5 | Hi-Shear Corporation (USA) |
| BACB30MB6A5 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| BACB30MB6A5 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| BACB30MB6A5 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BACB30MB6A5 | West Coast Aerospace, Inc. (USA) |
| BACB30MB6A5 | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| BACB30MB6A5 | 3/2 Design control — primary reference U.S. Government activity |
| BACB30MB6A5 | 5/2 Secondary reference U.S. Government activity |
NSN 5320-01-429-2656 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-429-2656 has 6 manufacturer part numbers on file: BACB30MB6A5 (Hi-Shear Corporation), BACB30MB6A5 (Sps Technologies, Llc Dba PB Fasteners), BACB30MB6A5 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), BACB30MB6A5 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BACB30MB6A5 (West Coast Aerospace, Inc.) and 1 more.
Key specifications for BACB30MB6A5: Shank Diameter: 0.189 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Head Height: 0.064 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN; Fastener Length: 0.627 INCHES MINIMUM AND 0.647 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416, TY 2, CL 3 FED SPEC SINGLE TREATMENT 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.