The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-256-8137, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-256-8137 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Temp Rating | -40.0 CELSIUS AND 200.0 CELSIUS DEGC |
| Expanded Inside Diameter | 0.375 INCHES MINIMUM IN |
| Style Designator | SHRINKABLE |
| Flexibility | FLEXIBLE |
| Recovered Wall Thickness | 0.035 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-I-23053/13 GOVERNMENT SPECIFICATION |
| Recovered Inside Diameter | 0.187 INCHES MAXIMUM IN |
| Color | WHITE |
| Test Data Document | 81349-MIL-I-23053 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | PLASTIC FLUORINATED ETHYLENE PROPYLENE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M23053/13-003-9 | 2/2 Government specification standardization U.S. Government activity |
| MIL-I-23053/13 | 4/1 Identification reference U.S. Government activity |
NSN 5970-01-256-8137 is a Insulation Sleeving,electrical, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5970-01-268-1996, 5970-01-531-7728, 5970-01-532-0674. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-01-256-8137: Temp Rating: -40.0 CELSIUS AND 200.0 CELSIUS DEGC; Expanded Inside Diameter: 0.375 INCHES MINIMUM IN; Style Designator: SHRINKABLE; Flexibility: FLEXIBLE. 10 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.