The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-279-3890, 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 Sigmaform Corp. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-279-3890 |
| Primary Part Number | HRHF-400-10A |
| Item Name | Insulation Sleeving,electrical,s |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Sigmaform Corp |
| Status | ACTIVE |
| Flexibility | FLEXIBLE |
| Main Body Inside Diameter | 0.900 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN |
| Main Body Inside Diameter | 4.000 INCHES NOMINAL AS SUPPLIED IN |
| Main Body Overall Length | 10.000 INCHES NOMINAL AS SUPPLIED IN |
| Color | BLACK |
| Environmental Protection | FLAME RESISTANT |
| Material | PLASTIC LOCATION NOT OTHERWISE SPECIFIED |
| Main Body Wall Thickness | 0.155 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| 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 |
|---|---|
| HRHF-400FR-10/97 | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| HRHF-400-10A PRIMARY | Sigmaform Corp (USA) |
NSN 5970-01-279-3890 is a Insulation Sleeving,electrical,s, manufactured by Sigmaform Corp, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-279-3890 has 2 manufacturer part numbers on file: HRHF-400FR-10/97 (Te Connectivity Corporation Dba Raychem Product Division), HRHF-400-10A (Sigmaform Corp).
Key specifications for HRHF-400-10A: Flexibility: FLEXIBLE; Main Body Inside Diameter: 0.900 INCHES MAXIMUM AFTER UNRESTRICTED RECOVERY IN; Main Body Inside Diameter: 4.000 INCHES NOMINAL AS SUPPLIED IN; Main Body Overall Length: 10.000 INCHES NOMINAL AS SUPPLIED 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.