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PartsTable / COMPONENT / 2172ON
2172ON ✓ 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

PUSH ROD,VALVE,REGULATING,FLUID. Key specifications include material: STEEL CORROSION RESISTING, attachment_method: BOLTS, valve_size_for_which_designed: 0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN, valve_type_for_which_designed: FLUID PRESSURE REGULATING, material_document_and_classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE, valve_model_number_for_which_designed: CLASS HNS-5. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-8374, 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
2172ON
NSN: 4820-01-084-8374
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
attachment_methodBOLTS
valve_size_for_which_designed0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN
valve_type_for_which_designedFLUID PRESSURE REGULATING
material_document_and_classificationASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
valve_model_number_for_which_designedCLASS HNS-5
NSN4820-01-084-8374
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2172ON · 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: CORROSION RESISTING STEEL; 3.438 IN. O/A LG; 1.000 IN. O/A DIA; 0.525 IN. DIA OF ROD; 45 DEGREE TAPER AT SHOULDER; 0.125 IN. W OF GROOVE AT GROOVED END IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCORROSION RESISTING STEEL; 3.438 IN. O/A LG; 1.000 IN. O/A DIA; 0.525 IN. DIA OF ROD; 45 DEGREE TAPER AT SHOULDER; 0.125 IN. W OF GROOVE AT GROOVED END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
32185Interchangeable
interchangeable cross-reference
interchangeable
2172ON PIECE 35Interchangeable
interchangeable cross-reference
interchangeable
N321850357Interchangeable
interchangeable cross-reference
interchangeable
56741Interchangeable
interchangeable cross-reference
interchangeable
N56741Interchangeable
interchangeable cross-reference
interchangeable
2172ON PIECE 28AEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2172ON?
2172ON is a PUSH ROD,VALVE,REGULATING,FLUID.
What parts can replace 2172ON?
There are 16 known substitutes for 2172ON: 32185, 2172ON PIECE 35, N321850357 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2172ON?
2172ON is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-8374. 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