PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58609Insulation Blanket,thermal

Bergstrom Inc · NSN 5640-01-195-4633 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-195-4633 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-195-4633. Primary manufacturer part number: 58609.
Features
  • Insulation Blanket,thermal — FSC 5640
  • Material: POLYETHYLENE FOAM LAYER
  • Layer Quantity: 1 LOCATION NOT OTHERWISE SPECIFIED
  • Thickness: 0.500 INCHES NOMINAL IN
  • Length: 14.530 INCHES NOMINAL IN
  • Width: 4.920 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Bergstrom Inc
Applications
  • Applications requiring Polyethylene Foam Layer construction
General Description

The Insulation Blanket,thermal, cataloged under National Stock Number 5640-01-195-4633, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Bergstrom Inc. Government technical data includes 5 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
NSN5640-01-195-4633
Primary Part Number58609
Item NameInsulation Blanket,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerBergstrom Inc
StatusACTIVE
MaterialPOLYETHYLENE FOAM LAYER
Layer Quantity1 LOCATION NOT OTHERWISE SPECIFIED
Thickness0.500 INCHES NOMINAL IN
Length14.530 INCHES NOMINAL IN
Width4.920 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-053-7804 INTERCHANGEABLE
Nut,self-Locking,single Ball Sea
4730-01-029-2857 INTERCHANGEABLE
Plug,tube Repair
Cross-Reference Index
Part NumberManufacturer
354863 Austin-Westran Llc (USA)
58609 PRIMARY Bergstrom Inc (USA)
Related Parts
5310-00-053-7804INTERCHANGEABLE
NUT,SELF-LOCKING,SINGLE BALL SEA
4730-01-029-2857INTERCHANGEABLE
PLUG,TUBE REPAIR

Frequently Asked Questions

What is NSN 5640-01-195-4633?

NSN 5640-01-195-4633 is a Insulation Blanket,thermal, manufactured by Bergstrom Inc, classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-195-4633?

NSN 5640-01-195-4633 has 2 cross-referenced part numbers: 354863 (Austin-Westran Llc), 58609 (Bergstrom Inc).

What NSN replaces 5640-01-195-4633?

There are 2 known substitutes for 5640-01-195-4633: 5310-00-053-7804, 4730-01-029-2857. Verify interchangeability with system specifications before substitution.

What are the specifications of 58609?

Key specifications for 58609: Material: POLYETHYLENE FOAM LAYER; Layer Quantity: 1 LOCATION NOT OTHERWISE SPECIFIED; Thickness: 0.500 INCHES NOMINAL IN; Length: 14.530 INCHES NOMINAL IN. 5 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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