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Technical Data Sheet
PartsTable / COMPONENT / 5703478
5703478 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

PARTS KIT,DIAPHRAGM REPLACEMENT. Key specifications include document_type: PARTS LIST, end_item_name: VALVE,FLOAT, document_source: 87405, end_item_source: 87405, document_identification: SECTION 1100, end_item_identification: EWDV-A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-098-5222, 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
5703478
NSN: 4820-00-098-5222
FSC: 4820
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
document_typePARTS LIST
end_item_nameVALVE,FLOAT
document_source87405
end_item_source87405
component_quantity6
document_identificationSECTION 1100
end_item_identificationEWDV-A
component_document_originINDUSTRIAL
component_document_page_number1129.25
nonsupply_items_and_quantities87405 2250-7 SPRING 1,87405 2250-8 STEM 1,87405 2250-11 GASKET 1,87405 2250-16 DIAPHRAGM 1,87405 2250-25 HYCAR PROCTER 1,87405 2250-30 SPRING 1
NSN4820-00-098-5222
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5703478 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONSUPPLY ITEMS AND QUANTITIES: 87405 2250-7 SPRING 1,87405 2250-8 STEM 1,87405 2250-11 GASKET 1,87405 2250-16 DIAPHRAGM 1,87405 2250-25 HYCAR PROCTER 1,87405 2250-30 SPRING 1
•
DOCUMENT TYPE: PARTS LIST
•
END ITEM NAME: VALVE,FLOAT
•
COMPONENT QUANTITY: 6
•
DOCUMENT IDENTIFICATION: SECTION 1100
•
END ITEM SOURCE: 87405
•
DOCUMENT SOURCE: 87405
•
COMPONENT DOCUMENT ORIGIN: INDUSTRIAL
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIES87405 2250-7 SPRING 1,87405 2250-8 STEM 1,87405 2250-11 GASKET 1,87405 2250-16 DIAPHRAGM 1,87405 2250-25 HYCAR PROCTER 1,87405 2250-30 SPRING 1
DOCUMENT TYPEPARTS LIST
END ITEM NAMEVALVE,FLOAT
COMPONENT QUANTITY6
DOCUMENT IDENTIFICATIONSECTION 1100
END ITEM SOURCE87405
DOCUMENT SOURCE87405
COMPONENT DOCUMENT ORIGININDUSTRIAL
COMPONENT DOCUMENT PAGE NUMBER1129.25
END ITEM IDENTIFICATIONEWDV-A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
600Y3Interchangeable
interchangeable cross-reference
interchangeable
353-18-03-001Interchangeable
interchangeable cross-reference
interchangeable
40TB03FInterchangeable
interchangeable cross-reference
interchangeable
225025Interchangeable
interchangeable cross-reference
interchangeable
22502.5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5703478?
5703478 is a PARTS KIT,DIAPHRAGM REPLACEMENT.
What parts can replace 5703478?
There are 5 known substitutes for 5703478: 600Y3, 353-18-03-001, 40TB03F and 2 more. Substitute compatibility should be verified for your specific system.
Is 5703478 still available?
5703478 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