The Insulator,bushing, cataloged under National Stock Number 5970-01-260-9129, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5970-01-260-9129 |
| Primary Part Number | 055389 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | L-P-392, TYPE 2, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Inside Diameter | 0.172 INCHES NOMINAL IN |
| End Configuration | BOTH ENDS SQUARED |
| Material | PLASTIC ACETAL OVERALL |
| 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 |
|---|---|
| 055389 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 933B055389 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5970-01-260-9129 is a Insulator,bushing, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-260-9129 has 1 manufacturer part number on file: 055389 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 055389: Overall Height: 1.463 INCHES MINIMUM AND 1.465 INCHES MAXIMUM IN; Style Designator: CYLINDRICAL; Material Document and Classification: L-P-392, TYPE 2, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.375 INCHES NOMINAL IN. 6 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.