The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-487-1431, 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 Mueller Electric Company, Inc. Div Mueller Electric Company. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-487-1431 |
| Primary Part Number | BU-26-0 |
| Item Name | Insulation Sleeving,electrical,s |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Mueller Electric Company, Inc. Div Mueller Electric Company |
| Status | ACTIVE |
| Main Body Small End Inside Diameter | 0.297 INCHES NOMINAL AS SUPPLIED IN |
| Main Body Large End Inside Diameter | 1.016 INCHES NOMINAL AS SUPPLIED IN |
| Style Designator | BOOT-STRAIGHT |
| Flexibility | SEMIFLEXIBLE |
| Main Body Overall Length | 8.875 INCHES NOMINAL AS SUPPLIED IN |
| Reliability Indicator | NOT ESTABLISHED |
| Color | BLACK |
| Material | PLASTIC VINYL LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5970-01-487-1431 is a Insulation Sleeving,electrical,s, manufactured by Mueller Electric Company, Inc. Div Mueller Electric Company, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-487-1431 has 3 manufacturer part numbers on file: BU-26-0 (Mueller Electric Company, Inc. Div Mueller Electric Company), 714-8336 (Rs Components B.v.), 860-4400 (Rs Americas Inc).
Key specifications for BU-26-0: Main Body Small End Inside Diameter: 0.297 INCHES NOMINAL AS SUPPLIED IN; Main Body Large End Inside Diameter: 1.016 INCHES NOMINAL AS SUPPLIED IN; Style Designator: BOOT-STRAIGHT; Flexibility: SEMIFLEXIBLE. 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.