The Insulator,standoff, cataloged under National Stock Number 5970-00-284-4289, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Teco-Westinghouse Motor Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-284-4289 |
| Primary Part Number | 12B1370 |
| Item Name | Insulator,standoff |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Teco-Westinghouse Motor Company |
| Status | ACTIVE |
| Screw Thread Diameter and Location | 0.750 CENTER STUD INCHES NOMINAL AND 0.625 MOUNTING FACILITY INCHES NOMINAL |
| Mounting Facility Type and Quantity | 1 UNTHREADED HOLE(S) |
| Thread Length | 0.688 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch and Location | 10 CENTER STUD AND 11 MOUNTING FACILITY |
| Outside Diameter | 3.125 INCHES NOMINAL IN |
| Thread Location | CENTER STUD |
| Base Inside Diameter | 2.188 INCHES NOMINAL IN |
| Material | CERAMIC OVERALL |
| Thread Class and Location | 3 CENTER STUD AND 3 MOUNTING FACILITY |
| 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 |
|---|---|
| 1JH1844PC3 | Westinghouse Electric Corp (USA) |
| 12B1370 PRIMARY | Teco-Westinghouse Motor Company (USA) |
| S1405323 | Westinghouse Electric Corp (USA) |
| 1JH1925PC15 | Westinghouse Electric Corp (USA) |
| 1JH1930PC45 | Westinghouse Electric Corp (USA) |
| 1JH1679PC53 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 12B1370 | 5/9 Secondary reference Westinghouse Electric Corp |
NSN 5970-00-284-4289 is a Insulator,standoff, manufactured by Teco-Westinghouse Motor Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-284-4289 has 6 manufacturer part numbers on file: 1JH1844PC3 (Westinghouse Electric Corp), 12B1370 (Teco-Westinghouse Motor Company), S1405323 (Westinghouse Electric Corp), 1JH1925PC15 (Westinghouse Electric Corp), 1JH1930PC45 (Westinghouse Electric Corp) and 1 more.
Key specifications for 12B1370: Screw Thread Diameter and Location: 0.750 CENTER STUD INCHES NOMINAL AND 0.625 MOUNTING FACILITY INCHES NOMINAL; Mounting Facility Type and Quantity: 1 UNTHREADED HOLE(S); Overall Height: 2.250 INCHES NOMINAL IN; Thread Length: 0.688 INCHES NOMINAL IN. 9 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.