The Rivet,blind, cataloged under National Stock Number 5320-01-252-7800, 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 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5320-01-252-7800 |
| Primary Part Number | BL270-6-12 |
| Item Name | Rivet,blind |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Shank Diameter | 0.197 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Lubrication | DRY FILM |
| Width Across Flats | 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Height | 0.113 INCHES MAXIMUM IN |
| Expansion Device | THREADED SLEEVE |
| Material Document and Classification | AMS4928 ASSN STD SINGLE MATERIAL RESPONSE OR AMS4967 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Features Provided | SELF-LOCKING |
| Head Style | HEXAGON |
| Grip Length | 0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Shank Style | THREADED SELF-PLUGGING SHANK W/SLEEVE |
| Surface Treatment | OXIDE FILM SLEEVE |
| Minimum Tensile Strength | 1400 POUNDS PER SQUARE INCH LBS |
| Shear Strength | 75000 SINGLE POUNDS PER SQUARE INCH |
| Material | STEEL CORROSION RESISTING SLEEVE |
| Material | TITANIUM ALLOY UNS R56400 NUT |
| Material | TITANIUM ALLOY UNS R56400 BOLT |
| 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 |
|---|---|
| PLT270-6-12 | Howmet Global Fastening Systems Inc (USA) |
| BL270-6-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| BL270-6-12 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10112331 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| PLT270-6-12 | 5/9 Secondary reference U.S. Government activity |
| PLT270-6-12 | 5/2 Secondary reference U.S. Government activity |
| BL7-3-12 | 5/9 Secondary reference Hi-Shear Corporation |
| ST3M790-3-12 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5320-01-252-7800 is a Rivet,blind, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-252-7800 has 3 manufacturer part numbers on file: PLT270-6-12 (Howmet Global Fastening Systems Inc), BL270-6-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), BL270-6-12 (Hi-Shear Corporation).
Key specifications for BL270-6-12: Shank Diameter: 0.197 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN; Lubrication: DRY FILM; Width Across Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Height: 0.113 INCHES MAXIMUM IN. 16 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.