PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

845-2445149A-43Insulation Blanket,thermal

Naval Ship Systems Command · NSN 5640-01-492-2940 · FSC 5640 · No Item Name Available
Verified by PartsTable
NSN 5640-01-492-2940 — this item is cataloged by the U.S. Government under National Stock Number 5640-01-492-2940. Primary manufacturer part number: 845-2445149A-43.
Features
  • Insulation Blanket,thermal — FSC 5640
  • Criticality Code Justification: ZZZW
  • Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 11 verified cross-references
  • Primary manufacturer: Naval Ship Systems Command
Applications
  • Building construction and repair
  • Infrastructure development
  • Road and bridge materials
General Description

The Insulation Blanket,thermal, cataloged under National Stock Number 5640-01-492-2940, is classified within Federal Supply Class 5640 (No Item Name Available) of the Construction and Building Materials group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5640-01-492-2940
Primary Part Number845-2445149A-43
Item NameInsulation Blanket,thermal
FSC / FSG5640 / 56 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Criticality Code JustificationZZZW
Departure From Cited DocumentMATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5640-01-493-7377 INTERCHANGEABLE
Insulation Board,thermal
Cross-Reference Index
Part NumberManufacturer
845-2445149A-43 Naval Ship Systems Command (USA)
EB-4013S,0.5THK,36WIDE,48LONG Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
EB-4013S,0.5THK,36WIDE,48LONG K-Flex Usa L.l.c (USA)
215-6903410D-16-1 Naval Sea Systems Command (USA)
215-7015763A-16-1 Naval Sea Systems Command (USA)
2632-042X1A-43 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
215-6130162A-43-1 Naval Sea Systems Command (USA)
EB-4013S,0.5THK,36WIDE,48LONG Electric Boat Corporation Div General Dynamics Electric Boat (USA)
215-4645506D-16-1 Naval Sea Systems Command (USA)
245-2581435A-43 Naval Sea Systems Command (USA)
2632-042X2A-43 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5640-01-493-7377INTERCHANGEABLE
INSULATION BOARD,THERMAL

Frequently Asked Questions

What is NSN 5640-01-492-2940?

NSN 5640-01-492-2940 is a Insulation Blanket,thermal, manufactured by Naval Ship Systems Command, classified under FSC 5640 (No Item Name Available). Status: active.

What are the part numbers for NSN 5640-01-492-2940?

NSN 5640-01-492-2940 has 11 cross-referenced part numbers: 845-2445149A-43 (Naval Ship Systems Command), EB-4013S,0.5THK,36WIDE,48LONG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), EB-4013S,0.5THK,36WIDE,48LONG (K-Flex Usa L.l.c), 215-6903410D-16-1 (Naval Sea Systems Command), 215-7015763A-16-1 (Naval Sea Systems Command) and 6 more.

What NSN replaces 5640-01-492-2940?

There is 1 known substitute for 5640-01-492-2940: 5640-01-493-7377. Verify interchangeability with system specifications before substitution.

What are the specifications of 845-2445149A-43?

Key specifications for 845-2445149A-43: Criticality Code Justification: ZZZW; Departure From Cited Document: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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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