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553462 — COVER,ENGINE POPPET VALVE ROCKER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

553462: COVER,ENGINE POPPET VALVE ROCKER.

COVER,ENGINE POPPET VALVE ROCKER. Key specifications include overall_width: 8.150 INCHES NOMINAL IN, overall_length: 24.550 INCHES NOMINAL IN, special_features: STEEL; W/TEN MTG HOLES 0.438 IN. DIA IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-00-953-0830, 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
553462
NSN: 4820-00-953-0830
NIINs: 009530830, 010546079
FSC: 4820 — Valves, Nonpowered
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
overall_width8.150 INCHES NOMINAL IN
overall_length24.550 INCHES NOMINAL IN
special_featuresSTEEL; W/TEN MTG HOLES 0.438 IN. DIA IN
NSN4820-00-953-0830
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 553462 · 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
•
OUTSIDE DIAMETER: 2.167 INCHES MINIMUM AND 2.171 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTTERFLY
•
MATERIAL THICKNESS: 0.160 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.160 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.167 INCHES MINIMUM AND 2.171 INCHES MAXIMUM IN
STYLE DESIGNATORBUTTERFLY
MATERIAL THICKNESS0.160 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.160 INCHES MINIMUM AND 1.320 INCHES MAXIMUM IN
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 553462?
553462 is a COVER,ENGINE POPPET VALVE ROCKER.
What is the NSN for 553462?
553462 is cataloged in the U.S. Government catalog under NSN 4820-00-953-0830. 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.