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PartsTable / COMPONENT / 4-673645-1
4-673645-1 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSULATION BLANKET,THERMAL is a the manufacturer industrial component. Key specifications include mounting_method: SPLINE, spline_quantity: 13, operation_method: HYDRAULIC, special_features: INPUT HYDRAULIC MOTOR, PILOT HOLE DIA 6.50 IN., OUTPUT GEAR REDUCER, PILOT HOLE 6.00 IN., TORQUE 12,000 LBS LBS, installation_location: LEFT HAND FRONT AND RIGHT HAND FRONT, spline_major_diameter: 1.715 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5640-00-097-8879, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4-673645-1
NSN: 5640-00-097-8879
FSC: 5640
CAGE: 92526 — ASTECH ENGINEERED PRODUCTS INC DIV ASTECH ENGINEERED PRODUCTS (USA)
SPECIFICATIONS
mounting_methodSPLINE
spline_quantity13
operation_methodHYDRAULIC
special_featuresINPUT HYDRAULIC MOTOR, PILOT HOLE DIA 6.50 IN., OUTPUT GEAR REDUCER, PILOT HOLE 6.00 IN., TORQUE 12,000 LBS LBS
installation_locationLEFT HAND FRONT AND RIGHT HAND FRONT
spline_major_diameter1.715 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
end_item_identificationWEAPONS SYSTEM SUPPLY CLASS AOE
NSN5640-00-097-8879
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATION BLANKET,THERMAL TITLE COMPONENT PN 4-673645-1 MFR INSULATION BLANKET,THE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
31276Interchangeable
interchangeable cross-reference
interchangeable
HD547TInterchangeable
interchangeable cross-reference
interchangeable
4035-1187Interchangeable
interchangeable cross-reference
interchangeable
20676Interchangeable
interchangeable cross-reference
interchangeable
50-10167Interchangeable
interchangeable cross-reference
interchangeable
1DN-17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-673645-1?
4-673645-1 is a INSULATION BLANKET,THERMAL.
What parts can replace 4-673645-1?
There are 13 known substitutes for 4-673645-1: 31276, HD547T, 4035-1187 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-673645-1?
4-673645-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5640-00-097-8879. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026