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YCM66811 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

YCM66811: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, style_designator: STRAIGHT THRU, operating_pressure: 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, maximum_operating_temp: 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-313-5396, 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
YCM66811
NSN: 4820-01-313-5396
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEAT
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
style_designatorSTRAIGHT THRU
operating_pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
media_for_which_designedWATER, SALT SECOND RESPONSE
nominal_pipe_size_accommodated0.750 INCHES ALL ENDS IN
material_document_and_classificationQQ-C-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
NSN4820-01-313-5396
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: YCM66811 · 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
SUBSTITUTES & CROSS-REFERENCES 3
23036394Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
298-00-558-A731Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
298-00-558Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is YCM66811?
YCM66811 is a VALVE,BALL.
What parts can replace YCM66811?
There are 3 known substitutes for YCM66811: 23036394, 298-00-558-A731, 298-00-558. Substitute compatibility should be verified for your specific system.
What is the NSN for YCM66811?
YCM66811 is cataloged in the U.S. Government catalog under NSN 4820-01-313-5396. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.