PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6152Insulation Sleeving,thermal

Ethyl Corp Commercial Development Div · NSN 5640-01-307-4722 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-307-4722 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-307-4722. Primary manufacturer part number: 6152.
Features
  • Insulation Sleeving,thermal — FSC 5640
  • Inside Diameter: 1.625 INCHES NOMINAL IN
  • Layer Quantity: 1
  • Nondefinitive Spec/std Data: T FORM
  • Material: POLYPHOSPHAZENE FOAM LOCATION NOT OTHERWISE SPECIFIED
  • Design Form: FULL ROUND
  • Fabrication Method: EXPANDED
  • Flexibility: FLEXIBLE
Applications
  • Applications requiring Polyphosphazene Foam Location Not Otherwise Specified construction
General Description

The Insulation Sleeving,thermal, cataloged under National Stock Number 5640-01-307-4722, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Ethyl Corp Commercial Development Div. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5640-01-307-4722
Primary Part Number6152
Item NameInsulation Sleeving,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerEthyl Corp Commercial Development Div
StatusACTIVE
Inside Diameter1.625 INCHES NOMINAL IN
Layer Quantity1
Nondefinitive Spec/std DataT FORM
MaterialPOLYPHOSPHAZENE FOAM LOCATION NOT OTHERWISE SPECIFIED
Design FormFULL ROUND
Fabrication MethodEXPANDED
FlexibilityFLEXIBLE
Length72.000 INCHES NOMINAL IN
Insulation Thickness0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5640-01-304-4030 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-304-4031 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-304-4032 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-304-4033 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-307-4721 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-307-4723 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-307-4724 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-307-4725 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-307-4726 INTERCHANGEABLE
Insulation Sleeving,thermal
5640-01-308-0295 INTERCHANGEABLE
Insulation Sleeving,thermal
Cross-Reference Index
Part NumberManufacturer
6152 Ethyl Corp Commercial Development Div (USA)
MIL-I-24703 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-I-24703 FMT General Services Administration Federal Supply Service (USA)
Related Parts
5640-01-304-4030INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-304-4031INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-304-4032INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-304-4033INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-307-4721INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-307-4723INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-307-4724INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-307-4725INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-307-4726INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-308-0295INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-308-0296INTERCHANGEABLE
INSULATION SLEEVING,THERMAL
5640-01-308-0297INTERCHANGEABLE
INSULATION SLEEVING,THERMAL

Frequently Asked Questions

What is NSN 5640-01-307-4722?

NSN 5640-01-307-4722 is a Insulation Sleeving,thermal, manufactured by Ethyl Corp Commercial Development Div, classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-307-4722?

NSN 5640-01-307-4722 has 3 cross-referenced part numbers: 6152 (Ethyl Corp Commercial Development Div), MIL-I-24703 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-I-24703 FMT (General Services Administration Federal Supply Service).

What NSN replaces 5640-01-307-4722?

There are 12 known substitutes for 5640-01-307-4722: 5640-01-304-4030, 5640-01-304-4031, 5640-01-304-4032 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6152?

Key specifications for 6152: Inside Diameter: 1.625 INCHES NOMINAL IN; Layer Quantity: 1; Nondefinitive Spec/std Data: T FORM; Material: POLYPHOSPHAZENE FOAM LOCATION NOT OTHERWISE SPECIFIED. 10 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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