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IS385H ✓ 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: STEEL OVERALL, overall_height: 0.338 INCHES NOMINAL IN, style_designator: PLAIN, surface_treatment: NICKEL OVERALL, body_inside_diameter: 1.219 INCHES NOMINAL IN, body_outside_diameter: 1.438 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-104-2044, 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
IS385H
NSN: 4820-00-104-2044
FSC: 4820
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.338 INCHES NOMINAL IN
style_designatorPLAIN
surface_treatmentNICKEL OVERALL
body_inside_diameter1.219 INCHES NOMINAL IN
body_outside_diameter1.438 INCHES NOMINAL IN
seating_surface_shapeFLAT
NSN4820-00-104-2044
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: IS385H · 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
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: NICKEL OVERALL
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.219 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
MATERIALSTEEL OVERALL
SURFACE TREATMENTNICKEL OVERALL
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.219 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.438 INCHES NOMINAL IN
OVERALL HEIGHT0.338 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
34220Interchangeable
interchangeable cross-reference
interchangeable
51946Interchangeable
interchangeable cross-reference
interchangeable
J7320HInterchangeable
interchangeable cross-reference
interchangeable
B107.110Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-660Interchangeable
interchangeable cross-reference
interchangeable
IPD1S2895Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IS385H?
IS385H is a SEAT,VALVE.
What parts can replace IS385H?
There are 7 known substitutes for IS385H: 34220, 51946, J7320H and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IS385H?
IS385H is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-104-2044. 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