PartsTable
Technical Data Sheet
HY2 ✓ 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,LINEAR,DIRECTIONAL CONTROL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-401-0374, 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
HY2
NSN: 4820-00-401-0374
FSC: 4820
CAGE: 26226 — A A A PRODUCTS CO (USA)
SPECIFICATIONS
Part NumberHY2
NSN4820-00-401-0374
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: HY2 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESALUM BODY;STEEL SPOOL;VITON-A PKG;MEDIA AIR OR GAS;250 PSI;METHOD OF OPERATION LEVER W/SPRING RETURN;SIDE PORTED W/5 THD INTERNAL PIPE PORTS SZ 0.250-18;BASE MTD W/4 MTG HOLES IN RECTANGULAR PATTERN HOLE SZ 0.190 IN.;CENTER TO CENTER DISTANCE ALONG LG 3.344 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
5100101Interchangeable
interchangeable cross-reference
interchangeable
NFES 0234Interchangeable
interchangeable cross-reference
interchangeable
2A910Interchangeable
interchangeable cross-reference
interchangeable
NFES 0235Interchangeable
interchangeable cross-reference
interchangeable
2A811Interchangeable
interchangeable cross-reference
interchangeable
2-0043-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HY2?
HY2 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace HY2?
There are 6 known substitutes for HY2: 5100101, NFES 0234, 2A910 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HY2?
HY2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-401-0374. This indicates validated use in U.S. government and defense supply chains.
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