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Technical Data Sheet
PartsTable / COMPONENT / 838-859-041
838-859-041 ✓ 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: COPPER ALLOY BODY, flange_diameter: 9.081 INCHES NOMINAL IN, special_features: FLANGE CONTAINS 8 BOLT HOLES, style_designator: PLAIN FLANGED, under_flange_height: 1.068 INCHES NOMINAL IN, body_inside_diameter: 4.745 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 4820-01-081-5227, 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
838-859-041
NSN: 4820-01-081-5227
FSC: 4820
CAGE: 1RY79 — TEC INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flange_diameter9.081 INCHES NOMINAL IN
special_featuresFLANGE CONTAINS 8 BOLT HOLES
style_designatorPLAIN FLANGED
under_flange_height1.068 INCHES NOMINAL IN
body_inside_diameter4.745 INCHES NOMINAL IN
body_outside_diameter5.777 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.445 INCHES NOMINAL IN
NSN4820-01-081-5227
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 838-859-041 · 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
•
BODY INSIDE DIAMETER: 4.745 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: FLAT
•
STYLE DESIGNATOR: PLAIN FLANGED
•
MATERIAL: COPPER ALLOY BODY
•
BODY OUTSIDE DIAMETER: 5.777 INCHES NOMINAL IN
•
FLANGE DIAMETER: 9.081 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 1.068 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER4.745 INCHES NOMINAL IN
SPECIAL FEATURESFLANGE CONTAINS 8 BOLT HOLES
SEATING SURFACE SHAPEFLAT
STYLE DESIGNATORPLAIN FLANGED
MATERIALCOPPER ALLOY BODY
BODY OUTSIDE DIAMETER5.777 INCHES NOMINAL IN
FLANGE DIAMETER9.081 INCHES NOMINAL IN
UNDER FLANGE HEIGHT1.068 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.445 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
2404Interchangeable
interchangeable cross-reference
interchangeable
86477Interchangeable
interchangeable cross-reference
interchangeable
201Interchangeable
interchangeable cross-reference
interchangeable
4SEXT1-2Interchangeable
interchangeable cross-reference
interchangeable
U4Interchangeable
interchangeable cross-reference
interchangeable
4-4192Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 838-859-041?
838-859-041 is a SEAT,VALVE.
What parts can replace 838-859-041?
There are 21 known substitutes for 838-859-041: 2404, 86477, 201 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 838-859-041?
838-859-041 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-081-5227. 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