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PartsTable / COMPONENT / F-8473 ITEM 4
F-8473 ITEM 4 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: PLASTIC ENCLOSURE, overall_width: 0.0827 INCHES MINIMUM AND 0.0984 INCHES MAXIMUM IN, overall_height: 0.0315 INCHES MINIMUM AND 0.0472 INCHES MAXIMUM IN, overall_length: 0.1102 INCHES MINIMUM AND 0.1197 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_type_and_quantity: 3 BONDING PAD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-202-9369, 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
F-8473 ITEM 4
NSN: 4820-01-202-9369
FSC: 4820
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
materialPLASTIC ENCLOSURE
overall_width0.0827 INCHES MINIMUM AND 0.0984 INCHES MAXIMUM IN
overall_height0.0315 INCHES MINIMUM AND 0.0472 INCHES MAXIMUM IN
overall_length0.1102 INCHES MINIMUM AND 0.1197 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_type_and_quantity3 BONDING PAD
function_for_which_designedZENER DIODE
voltage_tolerance_in_percent-5.0 TO 5.0
power_rating_per_characteristic300.0 MILLIWATTS MAXIMUM OFF-STATE POWER DISSIPATION
voltage_rating_in_volts_per_characteristic22.2 NOMINAL NOMINAL REGULATOR VOLTAGE
maximum_operating_temp_per_measurement_point150.0 CELSIUS JUNCTION DEGC
NSN4820-01-202-9369
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: F-8473 ITEM 4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
21708Interchangeable
interchangeable cross-reference
interchangeable
B107.410 CAT 48 TY2CL5Interchangeable
interchangeable cross-reference
interchangeable
565HInterchangeable
interchangeable cross-reference
interchangeable
00337Interchangeable
interchangeable cross-reference
interchangeable
204015Interchangeable
interchangeable cross-reference
interchangeable
AEB00337Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F-8473 ITEM 4?
F-8473 ITEM 4 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace F-8473 ITEM 4?
There are 10 known substitutes for F-8473 ITEM 4: 21708, B107.410 CAT 48 TY2CL5, 565H and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F-8473 ITEM 4?
F-8473 ITEM 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-202-9369. 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