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30559-A — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

30559-A: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: CONCAVE, slot_width: 0.1880 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN, stem_style: SLOTTED, head_height: 0.2812 INCHES NOMINAL IN, neck_radius: 0.5625 INCHES NOMINAL IN, slot_length: 0.3910 INCHES MINIMUM AND 0.3990 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-516-7209, 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
30559-A
NSN: 2805-00-516-7209
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
head_styleCONCAVE
slot_width0.1880 INCHES MINIMUM AND 0.1920 INCHES MAXIMUM IN
stem_styleSLOTTED
head_height0.2812 INCHES NOMINAL IN
neck_radius0.5625 INCHES NOMINAL IN
slot_length0.3910 INCHES MINIMUM AND 0.3990 INCHES MAXIMUM IN
slot_radius0.0937 INCHES NOMINAL IN
stem_length8.8282 INCHES NOMINAL IN
stem_diameter0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
chamfer_length0.0312 INCHES NOMINAL IN
outside_diameter2.4325 INCHES MINIMUM AND 2.4425 INCHES MAXIMUM IN
seat_angle_in_deg60.0
NSN2805-00-516-7209
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 30559-A MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
HEAD HEIGHT: 0.2812 INCHES NOMINAL IN
•
STEM LENGTH: 8.8282 INCHES NOMINAL IN
•
DISTANCE FROM SLOT TO STEM END: 0.2500 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 60.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
NECK RADIUS: 0.5625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.4970 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE
HEAD HEIGHT0.2812 INCHES NOMINAL IN
STEM LENGTH8.8282 INCHES NOMINAL IN
DISTANCE FROM SLOT TO STEM END0.2500 INCHES NOMINAL IN
SEAT ANGLE IN DEG60.0
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
NECK RADIUS0.5625 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION50.0 SHORE SCLEROSCOPE MINIMUM STEM
OUTSIDE DIAMETER2.4325 INCHES MINIMUM AND 2.4425 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
30559Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
V795Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 30559-A?
30559-A is a VALVE,POPPET,ENGINE.
What parts can replace 30559-A?
There are 2 known substitutes for 30559-A: 30559, V795. Substitute compatibility should be verified for your specific system.
What is the NSN for 30559-A?
30559-A is cataloged in the U.S. Government catalog under NSN 2805-00-516-7209. 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.