PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

HT-105C REFERENCE MIL-I-631Insulation Sleeving,electrical

Markel Corp. · NSN 5970-00-802-5030 · FSC 5970 · No Item Name Available
Verified by PartsTable
NSN 5970-00-802-5030 — this item is cataloged by the U.S. Government under National Stock Number 5970-00-802-5030. Primary manufacturer part number: HT-105C REFERENCE MIL-I-631.
Features
  • Insulation Sleeving,electrical — FSC 5970
  • 22 verified cross-references
  • Primary manufacturer: Markel Corp.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-00-802-5030, is classified within Federal Supply Class 5970 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Markel Corp.. This item has 22 commercial cross-references from 16 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameInsulation Sleeving,electrical
FSC / FSG5970 — No Item Name Available (FSG 59)
ManufacturersMarkel Corp. (CAGE 03890); 3m Company (CAGE 76381); Essex Group Inc Suflex/iwp Div (CAGE 91094); Manhattan/cdt Cole-Flex (CAGE 56352); Northrop Grumman Systems Corporation (CAGE 26512)
Technical Specifications
ParameterValue
NSN5970-00-802-5030
Primary Part NumberHT-105C REFERENCE MIL-I-631
Item NameInsulation Sleeving,electrical
FSC / FSG5970 / 59 — No Item Name Available
ManufacturerMarkel Corp.
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5970-00-838-98936743253-1216 INTERCHANGEABLE
Insulation Sleeving,electrical
Allison Transmission Inc Dba Allison Transmission, Inc
Cross-Reference Index
Part NumberManufacturer
HT-105C REFERENCE MIL-I-631 Markel Corp. (USA)
TEMFLEX 105C 3/4 WHITE 3m Company (USA)
ASTRA 703/105 Essex Group Inc Suflex/iwp Div (USA)
P-105/3/4-3 Manhattan/cdt Cole-Flex (USA)
GS830L-750W Northrop Grumman Systems Corporation (USA)
44791AB7503U9 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
INSUL PVC 4900 WHITE COLOR 3/4ID Insultab Inc Div Pexco Athol (USA)
NATVAR 400/461 High Voltage Engineering Corp Natvar Co Div (USA)
MILI631TYPEFFORMUGRCCL1 .750IDWH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DE-9999-9710-4 3m Deutschland Gmbh Div 3m Government Services, Europe & Shape/nato Relations (DEU)
MIL-I-631 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
PVC-105 3/4IN WHITE Belden, Inc. (USA)
3003 3m Co Admininistrative Electronic & Communications (USA)
FLEXITE HT-105C Markel Corp. (USA)
TEMFLEX 105C 3/4 WHITE 3m Co Admininistrative Electronic & Communications (USA)
VARTUBE SHH6A WHITE 0.750 I.D. Incident Management Technologies Dba Incident Management (USA)
3003 Minnesota Mining and Mfg Co 3m Company (USA)
PVC105 3-4 Belden, Inc. (USA)
44791AB7503U9 Westinghouse Electric Corp (USA)
TURBOLEX 105 Prysmian Cables and Systems Usa, Llc Div Manufacturing Plant (USA)
Related Parts
5970-00-838-9893INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
6743253-1216

Frequently Asked Questions

What is NSN 5970-00-802-5030?

NSN 5970-00-802-5030 is a Insulation Sleeving,electrical, manufactured by Markel Corp., classified under FSC 5970 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5970-00-802-5030?

NSN 5970-00-802-5030 has 22 cross-referenced part numbers: HT-105C REFERENCE MIL-I-631 (Markel Corp.), TEMFLEX 105C 3/4 WHITE (3m Company), ASTRA 703/105 (Essex Group Inc Suflex/iwp Div), P-105/3/4-3 (Manhattan/cdt Cole-Flex), GS830L-750W (Northrop Grumman Systems Corporation) and 17 more.

What NSN replaces 5970-00-802-5030?

There is 1 known substitute for 5970-00-802-5030: 5970-00-838-9893. Verify interchangeability with system specifications before substitution.

Is NSN 5970-00-802-5030 still in active supply?

NSN 5970-00-802-5030 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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