The Insulation Sleeving,electrical,s, cataloged under National Stock Number 5970-01-487-3847, 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 Te Connectivity Corporation Dba Raychem Product Division. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-487-3847 |
| Primary Part Number | 222K121-25/225 |
| Item Name | Insulation Sleeving,electrical,s |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Te Connectivity Corporation Dba Raychem Product Division |
| Status | ACTIVE |
| Main Body Small End Inside Diameter | 0.220 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Small End Inside Diameter | 0.950 INCHES NOMINAL AS SUPPLIED IN |
| Angle Between Large End and Small End Centerlines in Deg | 90.0 NOMINAL AS SUPPLIED |
| Angle Between Large End and Small End Centerlines in Deg | 90.0 NOMINAL AFTER UNRESTRICTED RECOVERY |
| Distance From Top of Shoulder to Small End of Main Body | 0.630 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Distance From Top of Shoulder to Small End of Main Body | 0.630 INCHES NOMINAL AS SUPPLIED IN |
| Main Body Large End Inside Diameter | 0.410 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Main Body Large End Inside Diameter | 0.950 INCHES NOMINAL AS SUPPLIED IN |
| Large End Wall Thickness of Main Body | 0.050 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Large End Wall Thickness of Main Body | 0.050 INCHES NOMINAL AS SUPPLIED IN |
| Style Designator | BOOT-90 DEGREES |
| Flexibility | SEMIRIGID |
| Small End Wall Thickness of Main Body | 0.020 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Small End Wall Thickness of Main Body | 0.020 INCHES NOMINAL AS SUPPLIED IN |
| Height | 0.980 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Height | 0.980 INCHES NOMINAL AS SUPPLIED IN |
| Distance From Intersecting Centerlines to Edge of Small End | 0.980 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Distance From Intersecting Centerlines to Edge of Small End | 0.980 INCHES NOMINAL AS SUPPLIED IN |
| Reliability Indicator | ESTABLISHED |
| Color | BLACK |
| Distance From Centerline of Small End to Edge of Large End | 0.710 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN |
| Distance From Centerline of Small End to Edge of Large End | 0.710 INCHES NOMINAL AS SUPPLIED 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 |
|---|---|
| 222K121-25/225 PRIMARY | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| ME2005618 | Alfariver Defense S.l (ESP) |
| Reference | Meaning |
|---|---|
| 956001059-01 | 5/1 Secondary reference Indra Sistemas, Sociedad Anonima |
| 956001059 | 5/1 Secondary reference Indra Sistemas, Sociedad Anonima |
NSN 5970-01-487-3847 is a Insulation Sleeving,electrical,s, manufactured by Te Connectivity Corporation Dba Raychem Product Division, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-487-3847 has 2 manufacturer part numbers on file: 222K121-25/225 (Te Connectivity Corporation Dba Raychem Product Division), ME2005618 (Alfariver Defense S.l).
1 possible match (shared part number, not a government interchangeability claim): 5970-01-487-3858. Verify interchangeability with system specifications before substitution.
Key specifications for 222K121-25/225: Main Body Small End Inside Diameter: 0.220 INCHES NOMINAL AFTER UNRESTRICTED RECOVERY IN; Main Body Small End Inside Diameter: 0.950 INCHES NOMINAL AS SUPPLIED IN; Angle Between Large End and Small End Centerlines in Deg: 90.0 NOMINAL AS SUPPLIED; Angle Between Large End and Small End Centerlines in Deg: 90.0 NOMINAL AFTER UNRESTRICTED RECOVERY. 22 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.