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Technical Data Sheet
PartsTable / COMPONENT / N-733
N-733 ✓ 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, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.375 INCHES NOMINAL SINGLE THREADED PORTION IN, flange_diameter: 3.156 INCHES NOMINAL IN, style_designator: FAUCET, nominal_thread_size: 2.938 INCHES SINGLE THREADED PORTION IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-521-9760, 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
N-733
NSN: 4820-00-521-9760
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length0.375 INCHES NOMINAL SINGLE THREADED PORTION IN
flange_diameter3.156 INCHES NOMINAL IN
style_designatorFAUCET
nominal_thread_size2.938 INCHES SINGLE THREADED PORTION IN
under_flange_height0.375 INCHES NOMINAL IN
body_inside_diameter2.594 INCHES NOMINAL IN
seating_surface_shapeFLAT
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
flange_seat_to_disk_end_height0.375 INCHES NOMINAL IN
NSN4820-00-521-9760
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-733 · 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
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
STYLE DESIGNATOR: FAUCET
•
BODY INSIDE DIAMETER: 2.594 INCHES NOMINAL IN
•
SEATING SURFACE SHAPE: FLAT
•
NOMINAL THREAD SIZE: 2.938 INCHES SINGLE THREADED PORTION IN
•
MATERIAL: NICKEL ALLOY OVERALL
•
FLANGE SEAT TO DISK END HEIGHT: 0.375 INCHES NOMINAL IN
•
FLANGE DIAMETER: 3.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
STYLE DESIGNATORFAUCET
BODY INSIDE DIAMETER2.594 INCHES NOMINAL IN
SEATING SURFACE SHAPEFLAT
NOMINAL THREAD SIZE2.938 INCHES SINGLE THREADED PORTION IN
MATERIALNICKEL ALLOY OVERALL
FLANGE SEAT TO DISK END HEIGHT0.375 INCHES NOMINAL IN
FLANGE DIAMETER3.156 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
862-4Interchangeable
interchangeable cross-reference
interchangeable
HS12-967-11Interchangeable
interchangeable cross-reference
interchangeable
MS35690-704Interchangeable
interchangeable cross-reference
interchangeable
N-407Interchangeable
interchangeable cross-reference
interchangeable
8107-N-0440-0Interchangeable
interchangeable cross-reference
interchangeable
532359-407Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-733?
N-733 is a SEAT,VALVE.
What parts can replace N-733?
There are 12 known substitutes for N-733: 862-4, HS12-967-11, MS35690-704 and 9 more. Substitute compatibility should be verified for your specific system.
Is N-733 still available?
N-733 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