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YM3145 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

YM3145: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY STEM, body_style: STRAIGHT THRU, hole_diameter: 0.515 INCHES NOMINAL IN, outside_diameter: 15.125 INCHES NOMINAL IN, special_features: NHA MOBILE/NAVFAC, VALVE SIZE 6IN IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-044-1896, 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
YM3145
NSN: 4820-01-044-1896
NIINs: 010441896, 010461416, 010504634, 014900984
FSC: 4820 — Valves, Nonpowered
CAGE: 21013 — METREX VALVE CORP. DBA METREX VALVE CORP (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY STEM
body_styleSTRAIGHT THRU
hole_diameter0.515 INCHES NOMINAL IN
outside_diameter15.125 INCHES NOMINAL IN
special_featuresNHA MOBILE/NAVFAC, VALVE SIZE 6IN IN
style_designatorPLAIN
bolt_hole_quantity30
material_thickness0.132 INCHES NOMINAL IN
flow_control_deviceDISK
bolt_circle_diameter13.625 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES NOMINAL IN
NSN4820-01-044-1896
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: YM3145 · 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
•
STYLE DESIGNATOR: PLAIN
•
MEDIA FOR WHICH DESIGNED: WATER
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPLAIN
MEDIA FOR WHICH DESIGNEDWATER
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
YM3145PC54Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is YM3145?
YM3145 is a VALVE,REGULATING,SYSTEM PRESSURE.
What parts can replace YM3145?
There is 1 known substitute for YM3145: YM3145PC54. Substitute compatibility should be verified for your specific system.
What is the NSN for YM3145?
YM3145 is cataloged in the U.S. Government catalog under NSN 4820-01-044-1896. 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.