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PartsTable / COMPONENT / 1A3987
1A3987 ✓ 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 DISK,CLUTCH,VEHICULAR is a the manufacturer industrial component. Key specifications include shape: RECTANGULAR, material: STEEL CORROSION RESISTING RESERVOIR, tube_type: TETRODE, current_type: AC, inside_depth: 7.500 INCHES NOMINAL IN, inside_width: 12.000 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2520-00-147-8491, 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
1A3987
NSN: 2520-00-147-8491
FSC: 2520
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
shapeRECTANGULAR
materialSTEEL CORROSION RESISTING RESERVOIR
quantity2
tube_typeTETRODE
current_typeAC
inside_depth7.500 INCHES NOMINAL IN
inside_width12.000 INCHES NOMINAL IN
inside_length18.000 INCHES NOMINAL IN
mounting_typeWHEEL
overall_width1.062 INCHES NOMINAL IN
physical_formSTICK
overall_length10.000 INCHES NOMINAL IN
NSN2520-00-147-8491
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DISK,CLUTCH,VEHICULAR TITLE COMPONENT PN 1A3987 MFR DISK,CLUTCH,VEHICULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
PP2SS10Interchangeable
interchangeable cross-reference
interchangeable
PP2Interchangeable
interchangeable cross-reference
interchangeable
PP2SInterchangeable
interchangeable cross-reference
interchangeable
1182Interchangeable
Brush,plater's,hand
interchangeable
54038Interchangeable
Brush,plater's,hand
interchangeable
44119Interchangeable
Brush,plater's,hand
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A3987?
1A3987 is a DISK,CLUTCH,VEHICULAR.
What parts can replace 1A3987?
There are 20 known substitutes for 1A3987: PP2SS10, PP2, PP2S and 17 more. Substitute compatibility should be verified for your specific system.
Is 1A3987 still available?
1A3987 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