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PartsTable / COMPONENT / W1121-12-20
W1121-12-20 ✓ 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 body_length: 0.640 INCHES MAXIMUM IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 20 SINGLE COMPONENT SINGLE WINDING, inclosure_type: OPEN, inductance_type: SWINGING, mounting_method: TERMINAL SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-497-0487, 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
W1121-12-20
NSN: 4810-00-497-0487
FSC: 4810
CAGE: 98441 — PARKER HANNIFIN CORP DBA PNEUTRONICS DIV STRATOFLEX PRODUCTS DIVISION (USA)
SPECIFICATIONS
body_length0.640 INCHES MAXIMUM IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity20 SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
inductance_typeSWINGING
mounting_methodTERMINAL SINGLE GROUP
frequency_rating1.0 KILOHERTZ NOMINAL SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating22.70 MICROHENRIES MINIMUM AND 35.10 MICROHENRIES MAXIMUM SINGLE COMPONENT SINGLE WINDING
body_outside_diameter1.265 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
winding_conductor_size0.05082 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT SINGLE WINDING IN
NSN4810-00-497-0487
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: W1121-12-20 · 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 12
362320H002Interchangeable
interchangeable cross-reference
interchangeable
990100-9Interchangeable
interchangeable cross-reference
interchangeable
2504-04-00-2200Interchangeable
interchangeable cross-reference
interchangeable
6264Interchangeable
interchangeable cross-reference
interchangeable
6264NInterchangeable
interchangeable cross-reference
interchangeable
068L601/Y/862Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W1121-12-20?
W1121-12-20 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace W1121-12-20?
There are 12 known substitutes for W1121-12-20: 362320H002, 990100-9, 2504-04-00-2200 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1121-12-20?
W1121-12-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-497-0487. 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