The Insulator,bushing, cataloged under National Stock Number 5970-01-152-5878, 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 Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-152-5878 |
| Primary Part Number | 5137-PHL-128 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc |
| Status | ACTIVE |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-P-79, TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.188 INCHES NOMINAL IN |
| Inside Diameter | 0.128 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN |
| End Configuration | BOTH ENDS SQUARED |
| Material | COTTON AND PLASTIC PHENOLIC 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 |
|---|---|
| 5137-PHL-128 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| 5137-PH-128 PRIMARY | Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc (USA) |
| Reference | Meaning |
|---|---|
| 7109229-001 | 7/2 Vendor item drawing reference U.S. Government activity |
| 10134230 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5970-01-152-5878 is a Insulator,bushing, manufactured by Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-152-5878 has 2 manufacturer part numbers on file: 5137-PHL-128 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc), 5137-PH-128 (Matthew Warren, Inc Dba Raf Electronic Hardware Div Raf Electronic Hardware, Llc).
Key specifications for 5137-PHL-128: Overall Height: 0.050 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-P-79, TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.188 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.