The Rivet,blind, cataloged under National Stock Number 5320-01-291-9120, 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 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-291-9120 |
| Primary Part Number | BL5220-6-2 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.1970 INCHES MINIMUM AND 0.1990 INCHES MAXIMUM IN |
| Lubrication | DRY FILM OR PARAFFIN WAX OR CETYL ALCOHOL |
| Width Across Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Height | 0.113 INCHES MAXIMUM IN |
| Expansion Device | THREADED STEM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM BOLT |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM NUT |
| Material Document and Classification | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | DRIVE NUT |
| Head Style | HEXAGON |
| Grip Length | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | PASSIVATE OVERALL |
| Material | IRON ALLOY 660 OVERALL |
| 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 |
|---|---|
| BL5220-6-2 | Hi-Shear Corporation (USA) |
| BL5220-6-2 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| PLT5220-6-2 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| PLT5220-6-2 | 5/2 Secondary reference U.S. Government activity |
| NAS1671-3DL2 | 3/2 Design control — primary reference U.S. Government activity |
| PLT5220-6-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5320-01-291-9120 is a Rivet,blind, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-291-9120 has 3 manufacturer part numbers on file: BL5220-6-2 (Hi-Shear Corporation), BL5220-6-2 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), PLT5220-6-2 (Howmet Global Fastening Systems Inc).
Key specifications for BL5220-6-2: Shank Diameter: 0.1970 INCHES MINIMUM AND 0.1990 INCHES MAXIMUM IN; Lubrication: DRY FILM OR PARAFFIN WAX OR CETYL ALCOHOL; Width Across Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Height: 0.113 INCHES MAXIMUM IN. 15 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.