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PartsTable / COMPONENT / 73683 ITEM 3
73683 ITEM 3 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, overall_height: 1.750 INCHES NOMINAL IN, style_designator: PLAIN, surface_treatment: CHROMIUM OVERALL, body_inside_diameter: 10.250 INCHES NOMINAL IN, body_outside_diameter: 12.260 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-274-8418, 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
73683 ITEM 3
NSN: 4820-01-274-8418
FSC: 4820
CAGE: 09790 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
overall_height1.750 INCHES NOMINAL IN
style_designatorPLAIN
surface_treatmentCHROMIUM OVERALL
body_inside_diameter10.250 INCHES NOMINAL IN
body_outside_diameter12.260 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-01-274-8418
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 73683 ITEM 3 · 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
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN
•
SURFACE TREATMENT: CHROMIUM OVERALL
•
MATERIAL: NICKEL ALLOY OVERALL
•
BODY INSIDE DIAMETER: 10.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 12.260 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN
SURFACE TREATMENTCHROMIUM OVERALL
MATERIALNICKEL ALLOY OVERALL
OVERALL HEIGHT1.750 INCHES NOMINAL IN
BODY INSIDE DIAMETER10.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER12.260 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
73684Interchangeable
interchangeable cross-reference
interchangeable
5SE00389-15Interchangeable
interchangeable cross-reference
interchangeable
3232Interchangeable
interchangeable cross-reference
interchangeable
9-326-100014Interchangeable
interchangeable cross-reference
interchangeable
8307-2166Interchangeable
interchangeable cross-reference
interchangeable
9-326-1001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73683 ITEM 3?
73683 ITEM 3 is a SEAT,VALVE.
What parts can replace 73683 ITEM 3?
There are 19 known substitutes for 73683 ITEM 3: 73684, 5SE00389-15, 3232 and 16 more. Substitute compatibility should be verified for your specific system.
Is 73683 ITEM 3 still available?
73683 ITEM 3 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