PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DGS01238Insulation Sleeving,thermal

Armacell Llc · NSN 5640-01-674-5737 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-674-5737 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-674-5737. Primary manufacturer part number: DGS01238.
Features
  • Insulation Sleeving,thermal — FSC 5640
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • Flexibility: FLEXIBLE
  • Fabrication Method: MOLDED
  • Temp Rating: -297.0 FAHRENHEIT MINIMUM AND 200.0 FAHRENHEIT MAXIMUM DEGF
  • Insulation Thickness: 0.375 INCHES NOMINAL IN
  • Installation Furnished Items: ADHESIVE CEMENT
  • Design Form: SPLIT ROUND
Applications
  • Applications requiring Plastic Location Not Otherwise Specified construction
General Description

The Insulation Sleeving,thermal, cataloged under National Stock Number 5640-01-674-5737, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Armacell Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5640-01-674-5737
Primary Part NumberDGS01238
Item NameInsulation Sleeving,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerArmacell Llc
StatusACTIVE
Inside Diameter0.500 INCHES NOMINAL IN
FlexibilityFLEXIBLE
Fabrication MethodMOLDED
Temp Rating-297.0 FAHRENHEIT MINIMUM AND 200.0 FAHRENHEIT MAXIMUM DEGF
Insulation Thickness0.375 INCHES NOMINAL IN
Installation Furnished ItemsADHESIVE CEMENT
Design FormSPLIT ROUND
Supplementary FeaturesBLACK; CLOSED CELL; WILL NOT ABSORB MOISTURE
MaterialPLASTIC LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-208-4779192250 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4730-00-278-9095NAS1924-24 INTERCHANGEABLE
Clamp,hose
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
DGS01238 PRIMARY Armacell Llc (USA)
192250 Divine Imaging Inc. (USA)
Related Parts
5310-00-208-4779INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
192250
4730-00-278-9095INTERCHANGEABLE
CLAMP,HOSE
NAS1924-24

Frequently Asked Questions

What is NSN 5640-01-674-5737?

NSN 5640-01-674-5737 is a Insulation Sleeving,thermal, manufactured by Armacell Llc, classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-674-5737?

NSN 5640-01-674-5737 has 2 cross-referenced part numbers: DGS01238 (Armacell Llc), 192250 (Divine Imaging Inc.).

What NSN replaces 5640-01-674-5737?

There are 2 known substitutes for 5640-01-674-5737: 5310-00-208-4779, 4730-00-278-9095. Verify interchangeability with system specifications before substitution.

What are the specifications of DGS01238?

Key specifications for DGS01238: Inside Diameter: 0.500 INCHES NOMINAL IN; Flexibility: FLEXIBLE; Special Features: DISTRIBUTOR LISTED AS RNCC/VC: 3/2 CAGE/PN: 1T5T4/DGS01238 IS THE OEM PER TIM LEDDEN 919-304-8908; Fabrication Method: MOLDED. 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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