The Insulator,bushing, cataloged under National Stock Number 5970-00-117-5136, 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 Communication Systems-East. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-117-5136 |
| Primary Part Number | K871587SUB0 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Surface Treatment and Location | OVERALL GLAZED |
| Identification Code Color | WHITE |
| Shank Height | 0.344 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Outside Diameter | 0.625 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.281 INCHES NOMINAL IN |
| Inside Diameter | 0.149 INCHES NOMINAL IN |
| Material | PORCELAIN 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 |
|---|---|
| K871587SUB0 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| K871587SUB0 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 61443 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5970-00-117-5136 is a Insulator,bushing, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-117-5136 has 1 manufacturer part number on file: K871587SUB0 (L3 Technologies, Inc. Div Communication Systems-East).
2 possible matches (shared part number, not a government interchangeability claim): 5961-01-120-8528, 4820-01-499-6918. Verify interchangeability with system specifications before substitution.
Key specifications for K871587SUB0: Overall Height: 0.594 INCHES NOMINAL IN; Surface Treatment and Location: OVERALL GLAZED; Identification Code Color: WHITE; Shank Height: 0.344 INCHES NOMINAL IN. 8 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.