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N-730 — Technical Data Sheet

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— · 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY BODY, body_style: STRAIGHT THRU, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.750 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 4820-00-733-5114, 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-730
NSN: 4820-00-733-5114
FSC: 4820
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY BODY
body_styleSTRAIGHT THRU
thread_class2A SINGLE THREADED PORTION A
thread_length0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.750 INCHES NOMINAL IN
overall_length6.750 INCHES NOMINAL IN
furnished_itemsTAILPIECE AND UNION NUT
regulation_typeAUTOMATIC SINGLE STAGE
style_designatorPLAIN THREADED
flow_control_deviceSTEM AND INTEGRAL DISK
nominal_thread_size1.625 INCHES SINGLE THREADED PORTION IN
NSN4820-00-733-5114
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N-730 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
N-656 PC 10Interchangeable
interchangeable cross-reference
interchangeable
N-730Interchangeable
interchangeable cross-reference
interchangeable
21601Interchangeable
interchangeable cross-reference
interchangeable
30 1 1/4IN 25T6Interchangeable
interchangeable cross-reference
interchangeable
N-730 25T60PSI 1 1/4INInterchangeable
interchangeable cross-reference
interchangeable
N-730 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N-730?
N-730 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace N-730?
There are 11 known substitutes for N-730: N-656 PC 10, N-730, 21601 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N-730?
N-730 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-733-5114. 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: August 2026