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E4SA4R440 — CAPACITOR,FIXED,MICA DIELECTRIC

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

E4SA4R440: CAPACITOR,FIXED,MICA DIELECTRIC.

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: STEEL PUMP BASIC, suction_lift: 22.000 FEET AND 27.000 FEET FT, operation_method: POWERED, volume_control_type: PRESSURE COMPENSATION, pumping_element_type: DIAPHRAGM, unpackaged_unit_width: 14.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-280-8964, 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
E4SA4R440
NSN: 4320-01-280-8964
FSC: 4320 — Power and Hand Pumps
CAGE: 65797 — VERSA-MATIC TOOL INC (USA)
SPECIFICATIONS
materialSTEEL PUMP BASIC
suction_lift22.000 FEET AND 27.000 FEET FT
operation_methodPOWERED
cylinder_quantity2
volume_control_typePRESSURE COMPENSATION
pumping_element_typeDIAPHRAGM
unpackaged_unit_width14.250 INCHES NOMINAL IN
intake_connection_typeTHREADED INTERNAL
unpackaged_unit_height17.250 INCHES NOMINAL IN
unpackaged_unit_length11.750 INCHES NOMINAL IN
discharge_connection_typeTHREADED EXTERNAL
pump_reciprocating_designSINGLE ACTING
NSN4320-01-280-8964
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN E4SA4R440 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
PUMPING ELEMENT TYPE: DIAPHRAGM
•
INTAKE CONNECTION TYPE: THREADED INTERNAL
•
PUMPING ELEMENT OPERATING POSITION: HORIZONTAL
•
SUCTION LIFT: 22.000 FEET AND 27.000 FEET FT
•
UNPACKAGED UNIT LENGTH: 11.750 INCHES NOMINAL IN
•
RECIPROCATING STROKE TYPE: VARIABLE
•
PUMP RECIPROCATING DESIGN: SINGLE ACTING
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS
DISCHARGE CONNECTION QUANTITY1
PUMPING ELEMENT TYPEDIAPHRAGM
INTAKE CONNECTION TYPETHREADED INTERNAL
PUMPING ELEMENT OPERATING POSITIONHORIZONTAL
SUCTION LIFT22.000 FEET AND 27.000 FEET FT
UNPACKAGED UNIT LENGTH11.750 INCHES NOMINAL IN
RECIPROCATING STROKE TYPEVARIABLE
PUMP RECIPROCATING DESIGNSINGLE ACTING
UNPACKAGED UNIT WIDTH14.250 INCHES NOMINAL IN
DISCHARGE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR1.250-11-1/2 NPT
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES 7
M4/SPPB/ND/ND/NDReference document
Same NSN cross-reference
Reference document — Secondary reference
P4/SSAPP/EPS/EP/EPReference document
Same NSN cross-reference
Reference document — Secondary reference
T4/SPPB/ND/ND/NDReference document
Same NSN cross-reference
Reference document — Secondary reference
P4/SSPPP/EPS/EP/EPReference document
Same NSN cross-reference
Reference document — Design control — primary reference
DRV1.25FSS ND/ND/NDReference document
Same NSN cross-reference
Reference document — Secondary reference
M4-SO-ND-ND-NDReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is E4SA4R440?
E4SA4R440 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace E4SA4R440?
There are 7 known substitutes for E4SA4R440: M4/SPPB/ND/ND/ND, P4/SSAPP/EPS/EP/EP, T4/SPPB/ND/ND/ND and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for E4SA4R440?
E4SA4R440 is cataloged in the U.S. Government catalog under NSN 4320-01-280-8964. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.