YB4 — PISTON,VALVE
✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW
YB4: PISTON,VALVE.
The PISTON,VALVE is a the manufacturer industrial component. Key specifications include special_features: CONSISTS OF THE MAIN PISTON VALVE; TWO EACH OF 1.250 IN. PIPE PLUG; EIGHT HI-TEST GRAY IRON PISTON RINGS IN.
This part is cataloged in the U.S. Government catalog under NSN 2815-01-118-2399, 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
YB4
NSN: 2815-01-118-2399 FSC: 2815 — Diesel Engines and ComponentsCAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
special_features CONSISTS OF THE MAIN PISTON VALVE; TWO EACH OF 1.250 IN. PIPE PLUG; EIGHT HI-TEST GRAY IRON PISTON RINGS IN NSN 2815-01-118-2399
COMPONENT DIAGRAM
COMPONENT
MAIN IC
EDGE CONNECTOR
No detailed specs available
PISTON,VALVE
TITLE
COMPONENT
PN
YB4
MFR
PISTON,VALVE
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES CONSISTS OF THE MAIN PISTON VALVE; TWO EACH OF 1.250 IN. PIPE PLUG; EIGHT HI-TEST GRAY IRON PISTON RINGS IN
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
SUBSTITUTES & CROSS-REFERENCES 1
YB4-AP Reference document Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN status Active · U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM) No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is YB4?
YB4 is a PISTON,VALVE.
What parts can replace YB4?
There is 1 known substitute for YB4: YB4-AP. Substitute compatibility should be verified for your specific system.
What is the NSN for YB4?
YB4 is cataloged in the U.S. Government catalog under NSN 2815-01-118-2399. This indicates validated use in U.S. government and defense supply chains.