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Technical Data Sheet
PartsTable / COMPONENT / A30478.001.283
A30478.001.283 ✓ 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

The A30478.001.283 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-459-5940, 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
A30478.001.283
NSN: 4820-01-459-5940
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
Part NumberA30478.001.283
NSN4820-01-459-5940
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A30478.001.283 · 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
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESMATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT, MECHANICSBURG, ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
30478.001.283Interchangeable
interchangeable cross-reference
interchangeable
20296 FIND 10Interchangeable
interchangeable cross-reference
interchangeable
20363FN10Interchangeable
Same NIIN cross-reference
interchangeable
3047801283Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A30478.001.283?
A30478.001.283 is a A30478.001.283.
What parts can replace A30478.001.283?
There are 4 known substitutes for A30478.001.283: 30478.001.283, 20296 FIND 10, 20363FN10 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A30478.001.283?
A30478.001.283 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-459-5940. 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