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PartsTable / COMPONENT / 40103 PIECE 35
40103 PIECE 35 ✓ 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. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-165-5889, 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
40103 PIECE 35
NSN: 4820-01-165-5889
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
NSN4820-01-165-5889
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40103 PIECE 35 · 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
•
MATERIAL: NICKEL ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
SMN100WAInterchangeable
interchangeable cross-reference
interchangeable
4010-3Interchangeable
interchangeable cross-reference
interchangeable
SMN100KAInterchangeable
interchangeable cross-reference
interchangeable
D15-413WPC161-162-171-179Interchangeable
interchangeable cross-reference
interchangeable
D15-413GPC206-207-216-224Interchangeable
interchangeable cross-reference
interchangeable
D15-678EPC141-142-151-158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40103 PIECE 35?
40103 PIECE 35 is a SEAT,VALVE.
What parts can replace 40103 PIECE 35?
There are 20 known substitutes for 40103 PIECE 35: SMN100WA, 4010-3, SMN100KA and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40103 PIECE 35?
40103 PIECE 35 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-165-5889. 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