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Technical Data Sheet
DK31 ✓ 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

FILTER ELEMENT,AIR CONDITIONING. Key specifications include color: BLACK, material: ALUMINUM FILTERING MEDIUM, design_type: REUSABLE, shank_style: STRAIGHT, shank_length: 0.312 INCHES NOMINAL IN, overall_depth: 0.312 INCHES NOMINAL 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 5355-00-550-1398, 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
DK31
NSN: 5355-00-550-1398
FSC: 5355
CAGE: 01599 — REID SUPPLY COMPANY (USA)
SPECIFICATIONS
colorBLACK
materialALUMINUM FILTERING MEDIUM
design_typeREUSABLE
shank_styleSTRAIGHT
shank_length0.312 INCHES NOMINAL IN
overall_depth0.312 INCHES NOMINAL IN
overall_width11.750 INCHES NOMINAL IN
body_thickness0.875 INCHES NOMINAL IN
shank_diameter0.625 INCHES NOMINAL IN
inside_diameter0.190 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
style_designatorRECTANGULAR (INCL SQUARE)
NSN5355-00-550-1398
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FILTER ELEMENT,AIR CONDITIONING TITLE COMPONENT PN DK31 MFR FILTER ELEMENT,AIR CON
KEY FEATURES
SHANK STYLE: STRAIGHT
ATTACHMENT METHOD: SCREW ON
OVERALL THICKNESS: 0.344 INCHES NOMINAL IN
NOMINAL THREAD SIZE: 0.190 INCHES RECEPTACLE IN
COLOR: BLACK
STYLE DESIGNATOR: CROWN
THREAD QUANTITY PER INCH: 32 RECEPTACLE
THREAD SERIES DESIGNATOR: UNF RECEPTACLE
TECHNICAL CHARACTERISTICS (FLIS)
SHANK STYLESTRAIGHT
ATTACHMENT METHODSCREW ON
OVERALL THICKNESS0.344 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.190 INCHES RECEPTACLE IN
COLORBLACK
STYLE DESIGNATORCROWN
THREAD QUANTITY PER INCH32 RECEPTACLE
THREAD SERIES DESIGNATORUNF RECEPTACLE
SHANK LENGTH0.312 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONGRIP AID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
11 3-4X15 3-4X7-8Interchangeable
interchangeable cross-reference
interchangeable
124173Interchangeable
interchangeable cross-reference
interchangeable
30012Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DK31?
DK31 is a FILTER ELEMENT,AIR CONDITIONING.
What parts can replace DK31?
There are 3 known substitutes for DK31: 11 3-4X15 3-4X7-8, 124173, 30012. Substitute compatibility should be verified for your specific system.
What is the NSN for DK31?
DK31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-550-1398. This indicates validated use in U.S. government and defense supply chains.
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