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PartsTable / COMPONENT / SD31603
SD31603 ✓ 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 KEYER,FREQUENCY SHIFT is a the manufacturer industrial component. Key specifications include color: RED LENS, material: PLASTIC LENS, flange_width: 0.513 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, mounting_method: UNTHREADED HOLE(S), overall_diameter: 3.813 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-869-2454, 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
SD31603
NSN: 6220-00-869-2454
FSC: 6220
CAGE: 63800 — WARNER AND SWASEY CO TURNING DIV (USA)
SPECIFICATIONS
colorRED LENS
materialPLASTIC LENS
flange_width0.513 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
overall_diameter3.813 INCHES NOMINAL IN
style_designatorFLAT
surface_conditionCONCENTRIC RINGS BACK
effective_diameter3.165 INCHES NOMINAL IN
mounting_hole_diameter0.176 INCHES NOMINAL IN
mounting_device_quantity2
light_transmission_designTRANSPARENT LENS
NSN6220-00-869-2454
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available KEYER,FREQUENCY SHIFT TITLE COMPONENT PN SD31603 MFR KEYER,FREQUENCY SHIFT
KEY FEATURES
•
MOUNTING HOLE DIAMETER: 0.176 INCHES NOMINAL IN
•
MAJOR CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES: 2.625 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.513 INCHES NOMINAL IN
•
MOUNTING METHOD: UNTHREADED HOLE(S)
•
COLOR: RED LENS
•
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
•
SURFACE CONDITION: SMOOTH FACE
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE DIAMETER0.176 INCHES NOMINAL IN
OVERALL HEIGHT0.500 INCHES NOMINAL IN
MAJOR CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES2.625 INCHES NOMINAL IN
FLANGE WIDTH0.513 INCHES NOMINAL IN
MOUNTING METHODUNTHREADED HOLE(S)
COLORRED LENS
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
SURFACE CONDITIONSMOOTH FACE
OVERALL DIAMETER3.813 INCHES NOMINAL IN
EFFECTIVE DIAMETER3.165 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A-A-50213Interchangeable
interchangeable cross-reference
interchangeable
GG-C-871/1Interchangeable
interchangeable cross-reference
interchangeable
2152-18Interchangeable
interchangeable cross-reference
interchangeable
GA10010Interchangeable
interchangeable cross-reference
interchangeable
99055749Interchangeable
interchangeable cross-reference
interchangeable
9000CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SD31603?
SD31603 is a KEYER,FREQUENCY SHIFT.
What parts can replace SD31603?
There are 15 known substitutes for SD31603: A-A-50213, GG-C-871/1, 2152-18 and 12 more. Substitute compatibility should be verified for your specific system.
Is SD31603 still available?
SD31603 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