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99573 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

99573: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT, stem_style: GROOVED, head_height: 0.1730 INCHES NOMINAL IN, neck_radius: 0.4370 INCHES NOMINAL IN, stem_length: 4.8580 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5360-00-343-3153, 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
99573
NSN: 5360-00-343-3153
NIINs: 003433153, 011027125
FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT
stem_styleGROOVED
head_height0.1730 INCHES NOMINAL IN
neck_radius0.4370 INCHES NOMINAL IN
stem_length4.8580 INCHES NOMINAL IN
groove_width0.0930 INCHES NOMINAL IN
stem_diameter0.3720 INCHES NOMINAL IN
groove_diameter0.3120 INCHES NOMINAL IN
outside_diameter1.4200 INCHES NOMINAL IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN5360-00-343-3153
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 99573 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
COIL HELIX DIRECTION: RIGHT-HAND OR LEFT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
COIL HELIX DIRECTIONRIGHT-HAND OR LEFT-HAND
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99573?
99573 is a VALVE,POPPET,ENGINE.
What is the NSN for 99573?
99573 is cataloged in the U.S. Government catalog under NSN 5360-00-343-3153. 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.