The Box Connector,electrical, cataloged under National Stock Number 5975-01-526-6566, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abb Installation Products Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-526-6566 |
| Primary Part Number | 266-TB |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Abb Installation Products Inc |
| Status | ACTIVE |
| Style Designator | ANGLE BITE |
| Cable Diameter Accommodated | 0.438 INCHES MINIMUM AND 0.688 INCHES MAXIMUM FIRST END IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.500 INCHES SINGLE END IN |
| Leg End to Plane of Bend Distance | 0.906 INCHES NOMINAL SECOND END IN |
| Surface Treatment | ZINC |
| Conduit Type Accommodated | FLEXIBLE METALLIC FIRST END |
| Thread Class | 2A SINGLE END A |
| Material | STEEL |
| Furnished Items | SCREW |
| Thread Quantity | 14 PER INCH SINGLE END |
| End Type | EXTERNAL THREAD SECOND END |
| End Type | TWO SCREW CLAMP, END CONNECTED FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BS-7941-3/8 | Abb Installation Products Inc (USA) |
| 266-TB PRIMARY | Abb Installation Products Inc (USA) |
NSN 5975-01-526-6566 is a Box Connector,electrical, manufactured by Abb Installation Products Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-526-6566 has 2 manufacturer part numbers on file: BS-7941-3/8 (Abb Installation Products Inc), 266-TB (Abb Installation Products Inc).
Key specifications for 266-TB: Style Designator: ANGLE BITE; Cable Diameter Accommodated: 0.438 INCHES MINIMUM AND 0.688 INCHES MAXIMUM FIRST END IN; Thread Direction: RIGHT-HAND SINGLE END; Nominal Thread Size: 0.500 INCHES SINGLE END IN. 13 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.