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PartsTable / COMPONENT / N2731603
N2731603 ✓ 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 CHAMBER,STEAM is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL;4.032 IN. O/A LG;2.466 IN.

LARGEST DIA;0.750-18UNS INTERNAL THD 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 4820-00-036-1505, 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
N2731603
NSN: 4820-00-036-1505
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL;4.032 IN. O/A LG;2.466 IN. LARGEST DIA;0.750-18UNS INTERNAL THD IN
NSN4820-00-036-1505
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N2731603 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL;4.032 IN. O/A LG;2.466 IN. LARGEST DIA;0.750-18UNS INTERNAL THD IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL;4.032 IN. O/A LG;2.466 IN. LARGEST DIA;0.750-18UNS INTERNAL THD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
109KSZZInterchangeable
interchangeable cross-reference
interchangeable
993L09Interchangeable
interchangeable cross-reference
interchangeable
CL10369Interchangeable
interchangeable cross-reference
interchangeable
E2909PC74Interchangeable
interchangeable cross-reference
interchangeable
0048721Interchangeable
interchangeable cross-reference
interchangeable
3220987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N2731603?
N2731603 is a CHAMBER,STEAM.
What parts can replace N2731603?
There are 20 known substitutes for N2731603: 109KSZZ, 993L09, CL10369 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N2731603?
N2731603 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1505. 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