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EHOYM-3170-NF2 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, valve_size: 8.000 INCHES IN, valve_stem_design: DOUBLE SEAT, flow_control_device: DISK, PLUG TYPE, valve_loading_method: WEIGHT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-515-8319, 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
EHOYM-3170-NF2
NSN: 4820-01-515-8319
FSC: 4820
CAGE: 21013 — METREX VALVE CORP. DBA METREX VALVE CORP (USA)
SPECIFICATIONS
materialNICKEL ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
valve_size8.000 INCHES IN
valve_stem_designDOUBLE SEAT
flow_control_deviceDISK, PLUG TYPE
valve_loading_methodWEIGHT
manual_control_methodSCREW AND WRENCH
end_connection_quantity2
end_connection_spec/stdMIL-F-20042C
media_for_which_designedWATER, SALT
first_end_connection_typeRAISED FACE FLANGE
second_end_connection_typeRAISED FACE FLANGE
NSN4820-01-515-8319
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: EHOYM-3170-NF2 · 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
•
BODY STYLE: STRAIGHT THRU
•
MATERIAL: COPPER ALLOY 922 STEM
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
•
VALVE STEM DESIGN: DOUBLE SEAT
•
END CONNECTION SPEC/STD: MIL-F-20042C
•
VALVE SIZE: 8.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLESTRAIGHT THRU
MATERIALCOPPER ALLOY 922 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIALNICKEL ALLOY FLOW CONTROL DEVICE
VALVE STEM DESIGNDOUBLE SEAT
END CONNECTION SPEC/STDMIL-F-20042C
VALVE SIZE8.000 INCHES IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SECOND END CONNECTION TYPERAISED FACE FLANGE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
WC1003Interchangeable
interchangeable cross-reference
interchangeable
DMS 80018BInterchangeable
interchangeable cross-reference
interchangeable
128C923H01Interchangeable
interchangeable cross-reference
interchangeable
607719Interchangeable
interchangeable cross-reference
interchangeable
7005045Interchangeable
interchangeable cross-reference
interchangeable
EA1003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EHOYM-3170-NF2?
EHOYM-3170-NF2 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace EHOYM-3170-NF2?
There are 23 known substitutes for EHOYM-3170-NF2: WC1003, DMS 80018B, 128C923H01 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EHOYM-3170-NF2?
EHOYM-3170-NF2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-515-8319. 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