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Technical Data Sheet
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85666BS ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: METAL FILTERING MEDIUM, design_type: REUSABLE, body_diameter: 2.125 INCHES NOMINAL IN, style_designator: CYLINDRICAL W/ CONTAINER (RIGID), filtering_media_design: PERFORATED SINGLE FILTERING MEDIA RESPONSE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2910-00-361-2771, 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
85666BS
NSN: 2910-00-361-2771
FSC: 2910
CAGE: 92878 — HDT EXPEDITIONARY SYSTEMS INC (USA)
SPECIFICATIONS
materialMETAL FILTERING MEDIUM
design_typeREUSABLE
body_diameter2.125 INCHES NOMINAL IN
style_designatorCYLINDRICAL W/ CONTAINER (RIGID)
filtering_media_designPERFORATED SINGLE FILTERING MEDIA RESPONSE
NSN2910-00-361-2771
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,FLUID TITLE COMPONENT PN 85666BS MFR FILTER ELEMENT,FLUID
KEY FEATURES
•
MATERIAL: METAL FILTERING MEDIUM
•
DESIGN TYPE: REUSABLE
•
STYLE DESIGNATOR: CYLINDRICAL W/ CONTAINER (RIGID)
•
BODY DIAMETER: 2.125 INCHES NOMINAL IN
•
FILTERING MEDIA DESIGN: PERFORATED SINGLE FILTERING MEDIA RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALMETAL FILTERING MEDIUM
DESIGN TYPEREUSABLE
STYLE DESIGNATORCYLINDRICAL W/ CONTAINER (RIGID)
BODY DIAMETER2.125 INCHES NOMINAL IN
FILTERING MEDIA DESIGNPERFORATED SINGLE FILTERING MEDIA RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
L21581Interchangeable
interchangeable cross-reference
interchangeable
46Interchangeable
interchangeable cross-reference
interchangeable
21541Interchangeable
interchangeable cross-reference
interchangeable
181-5-5Interchangeable
interchangeable cross-reference
interchangeable
P181-5-500Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 85666BS?
85666BS is a FILTER ELEMENT,FLUID.
What parts can replace 85666BS?
There are 10 known substitutes for 85666BS: L21581, 46, 21541 and 7 more. Substitute compatibility should be verified for your specific system.
Is 85666BS still available?
85666BS is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026