The Rivet,blind, cataloged under National Stock Number 5320-01-481-3019, 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 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-481-3019 |
| Primary Part Number | BL1058-6-4 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.197 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Head Style | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | PASSIVATE SLEEVE |
| Minimum Tensile Strength | 1250 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Shear Strength | 4600 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 304 SLEEVE |
| Material | TITANIUM ALLOY NUT |
| Head Major Diameter | 0.270 INCHES NOMINAL 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 |
|---|---|
| BL1058-6-4 PRIMARY | Hi-Shear Corporation (USA) |
| PLT1058-6-4 PRIMARY | Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA) |
| BL1058-6-4 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| Reference | Meaning |
|---|---|
| 10119006 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST3M781-3-4 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| PLT1058-6-4 | 3/2 Design control — primary reference U.S. Government activity |
| PLT1058-6-4 | 5/9 Secondary reference U.S. Government activity |
| ST3M781-3-4 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
NSN 5320-01-481-3019 is a Rivet,blind, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-481-3019 has 3 manufacturer part numbers on file: BL1058-6-4 (Hi-Shear Corporation), PLT1058-6-4 (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), BL1058-6-4 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for BL1058-6-4: Shank Diameter: 0.197 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Head Style: FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER); Thread Direction: RIGHT-HAND; Grip Length: 0.282 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN. 12 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.