PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100.819Insulation Sleeving,thermal

Malcom Company, Inc. · NSN 5640-01-643-4971 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-643-4971 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-643-4971. Primary manufacturer part number: 100.819.
Features
  • Insulation Sleeving,thermal — FSC 5640
  • 1 verified cross-reference
  • Primary manufacturer: Malcom Company, Inc.
Applications
  • Building construction and repair
  • Infrastructure development
  • Road and bridge materials
General Description

The Insulation Sleeving,thermal, cataloged under National Stock Number 5640-01-643-4971, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Malcom Company, Inc.. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5640-01-643-4971
Primary Part Number100.819
Item NameInsulation Sleeving,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerMalcom Company, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5305-00-010-0819100819 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5945-00-201-518288ARHPX-1 INTERCHANGEABLE
Relay,electromagnetic
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
5310-00-548-5175 INTERCHANGEABLE
Nut,sheet Spring
5998-00-920-7671100819 INTERCHANGEABLE
Circuit Card Assembly
Crane Electronics, Inc.
5945-01-551-7623100-819 INTERCHANGEABLE
Relay,electromagnetic
Logitek Inc
Cross-Reference Index
Part NumberManufacturer
100.819 PRIMARY Malcom Company, Inc. (USA)
Related Parts
5305-00-010-0819INTERCHANGEABLE
SCREW,MACHINE
100819
5945-00-201-5182INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
88ARHPX-1
5310-00-548-5175INTERCHANGEABLE
NUT,SHEET SPRING
5998-00-920-7671INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
100819
5945-01-551-7623INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
100-819

Frequently Asked Questions

What is NSN 5640-01-643-4971?

NSN 5640-01-643-4971 is a Insulation Sleeving,thermal, manufactured by Malcom Company, Inc., classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-643-4971?

NSN 5640-01-643-4971 has 1 cross-referenced part number: 100.819 (Malcom Company, Inc.).

What NSN replaces 5640-01-643-4971?

There are 5 known substitutes for 5640-01-643-4971: 5305-00-010-0819, 5945-00-201-5182, 5310-00-548-5175 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100.819?

Key specifications for 100.819: End Item Identification: MCH-100-A BATTERY POWERED PORTABLE HEAT GUN KIT; Special Features: REPLACEMENT MICA TUBE FOR HEATING ELEMENT. 2 total characteristics are documented in the Federal Logistics Information System.

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