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Y11682 ✓ 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

HEATER,IMMERSION,LIQUID FUEL FIR. Key specifications include special_features: 2.125 IN. O/A H IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-555-8531, 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
Y11682
NSN: 4820-00-555-8531
FSC: 4820
CAGE: 48745 — PREWAY INC
SPECIFICATIONS
special_features2.125 IN. O/A H IN
NSN4820-00-555-8531
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: Y11682 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES2.125 IN. O/A H IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MILH1597Interchangeable
interchangeable cross-reference
interchangeable
56950-91Interchangeable
interchangeable cross-reference
interchangeable
V11681FInterchangeable
interchangeable cross-reference
interchangeable
Y11681FInterchangeable
interchangeable cross-reference
interchangeable
202C1T0C9Interchangeable
interchangeable cross-reference
interchangeable
M3000Interchangeable
Sun SPARC Enterprise M3000 Server
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y11682?
Y11682 is a HEATER,IMMERSION,LIQUID FUEL FIR.
What parts can replace Y11682?
There are 9 known substitutes for Y11682: MILH1597, 56950-91, V11681F and 6 more. Substitute compatibility should be verified for your specific system.
Is Y11682 still available?
Y11682 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