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Technical Data Sheet
R1663 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include shape: STRAIGHT, weight: 3.0 POUNDS LBS, bracket: PROVIDED, clapper_design: WITH EYE FOR ATTACHING LANYARD, key_designation: E-NATURAL, mounting_method: BULKHEAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-00-295-2385, 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
R1663
NSN: 6350-00-295-2385
FSC: 6350
CAGE: 79645 — E.J. WILLIS COMPANY, INC. DBA EJ WILLIS CO INC (USA)
SPECIFICATIONS
shapeSTRAIGHT
weight3.0 POUNDS LBS
bracketPROVIDED
clapper_designWITH EYE FOR ATTACHING LANYARD
key_designationE-NATURAL
mounting_methodBULKHEAD
overall_diameter6.000 INCHES NOMINAL IN
special_featuresW/LETTERS U.S. CAST IN RELIEF
bracket_detachabilityDETACHABLE
general_characteristics_item_descriptionSEMI-STEEL,MACHINED FOR 5.500 IN. BRAKE SHOE,WHEEL GUARDS,RIM CLAMP AND 2.500 IN. SPACER BAND IN
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY OVERALL DIAMETER
NSN6350-00-295-2385
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN R1663 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
KEY DESIGNATION: E-NATURAL
BRACKET: PROVIDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY OVERALL DIAMETER
BRACKET DETACHABILITY: DETACHABLE
CLAPPER DESIGN: WITH EYE FOR ATTACHING LANYARD
SHAPE: U-SHAPE
OVERALL DIAMETER: 8.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
KEY DESIGNATIONE-NATURAL
BRACKETPROVIDED
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY OVERALL DIAMETER
WEIGHT9.5 POUNDS LBS
BRACKET DETACHABILITYDETACHABLE
CLAPPER DESIGNWITH EYE FOR ATTACHING LANYARD
SHAPEU-SHAPE
OVERALL DIAMETER8.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
R1663Interchangeable
interchangeable cross-reference
interchangeable
5966Interchangeable
interchangeable cross-reference
interchangeable
W-900-15-D-I-1/4Interchangeable
interchangeable cross-reference
interchangeable
LMC03Interchangeable
Bell,ship's
interchangeable
D24673-1Interchangeable
Bell,ship's
interchangeable
MIL-B-52061Interchangeable
Bell,ship's
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1663?
R1663 is a RESISTOR,VARIABLE,NONWIRE WOUND,.
What parts can replace R1663?
There are 6 known substitutes for R1663: R1663, 5966, W-900-15-D-I-1/4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1663?
R1663 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6350-00-295-2385. This indicates validated use in U.S. government and defense supply chains.
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