The Rivet,blind, cataloged under National Stock Number 5320-01-303-9673, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-303-9673 |
| Primary Part Number | BL5220-10-6 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN |
| Width Across Flats | 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Head Height | 0.160 INCHES MAXIMUM IN |
| Expansion Device | BREAK STEM |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Heat Treatment | SOLUTION HEAT TREATED BOLT |
| Heat Treatment | SOLUTION HEAT TREATED NUT |
| 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 |
| Specification/standard Data | 80205-NAS1671 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Grip Length | 0.345 INCHES MINIMUM AND 0.406 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 |
|---|---|
| BL5220-10-6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BL5220-10-6 | Hi-Shear Corporation (USA) |
| PLT5220-10-6 | Howmet Global Fastening Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| PLT5220-10-6 | 5/2 Secondary reference U.S. Government activity |
| PLT5220-10-6 | 5/9 Secondary reference U.S. Government activity |
| NAS1671-5DL6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5320-01-303-9673 is a Rivet,blind, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-303-9673 has 3 manufacturer part numbers on file: BL5220-10-6 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BL5220-10-6 (Hi-Shear Corporation), PLT5220-10-6 (Howmet Global Fastening Systems Inc).
Key specifications for BL5220-10-6: Shank Diameter: 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN; Width Across Flats: 0.429 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN; Head Height: 0.160 INCHES MAXIMUM IN; Expansion Device: BREAK STEM. 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.