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PartsTable / COMPONENT / 7E-3974
7E-3974 ✓ 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 PUMP,ROTARY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3140 OVERALL, head_style: HEXAGON, head_height: 0.750 INCHES NOMINAL IN, barrel_style: STRAIGHT ROUND TYPE, flange_style: FLANGE, thread_class: 2A A. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-428-1729, 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
7E-3974
NSN: 4320-01-428-1729
FSC: 4320
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 OVERALL
head_styleHEXAGON
head_height0.750 INCHES NOMINAL IN
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
thread_class2A A
barrel_height0.097 INCHES NOMINAL IN
thread_length1.719 INCHES MINIMUM IN
shoulder_shapeHEXAGONAL FIRST SHOULDER
fastener_length7.938 INCHES NOMINAL IN
mounting_methodSUSPENDED ON HEADBAND EARPHONE
shoulder_length4.656 INCHES NOMINAL FIRST SHOULDER IN
NSN4320-01-428-1729
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP,ROTARY TITLE COMPONENT PN 7E-3974 MFR PUMP,ROTARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1026-3-05Interchangeable
interchangeable cross-reference
interchangeable
PR5512-5Interchangeable
interchangeable cross-reference
interchangeable
57A5A52-4Interchangeable
interchangeable cross-reference
interchangeable
9M30Interchangeable
interchangeable cross-reference
interchangeable
10263Interchangeable
interchangeable cross-reference
interchangeable
10263AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7E-3974?
7E-3974 is a PUMP,ROTARY.
What parts can replace 7E-3974?
There are 11 known substitutes for 7E-3974: 1026-3-05, PR5512-5, 57A5A52-4 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7E-3974?
7E-3974 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-428-1729. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026