The Sleeve,marker,cable, cataloged under National Stock Number 5975-01-139-3407, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Markel Corp.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-139-3407 |
| Primary Part Number | 215511T121 |
| Item Name | Sleeve,marker,cable |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Markel Corp. |
| Status | ACTIVE |
| Inscription | PROBE CABLE PN 1001366,W8 |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-I-23053/5 MIL SPEC SINGLE MATERIAL RESPONSE |
| Features Provided | LEGEND |
| Material Thickness | 0.025 INCHES NOMINAL IN |
| Body Length | 1.700 INCHES MINIMUM AND 1.800 INCHES MAXIMUM IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Material | PLASTIC POLYOLEFIN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SPEC CONTROL DRG 215511T |
| 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 |
|---|---|
| 215511T121 | Markel Corp. (USA) |
| Reference | Meaning |
|---|---|
| TMS-SCE-1/4-2.0-S1-9 | 3/1 Design control — primary reference Te Connectivity Corporation Dba Raychem Product Division |
| RNF-100-1/4X13/16 WHITE | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
| 215511T121 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5975-01-139-3407 is a Sleeve,marker,cable, manufactured by Markel Corp., classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-139-3407 has 1 manufacturer part number on file: 215511T121 (Markel Corp.).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-140-0759, 5970-01-587-5592. Verify interchangeability with system specifications before substitution.
Key specifications for 215511T121: Inscription: PROBE CABLE PN 1001366,W8; Style Designator: CYLINDRICAL; Material Document and Classification: MIL-I-23053/5 MIL SPEC SINGLE MATERIAL RESPONSE; Features Provided: LEGEND. 9 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.