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18553 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
Jumbo · MRO · MRO_GENERAL
PRODUCT OVERVIEW

18553: TAPPET,ENGINE POPPET VALVE.

Jumbo's jigsaw puzzles will bring you hours of joy. The extensive range offers lots of different themes, photos and illustrations: from wild animals to big cities and from the cutest of pets to amazing glimpses of nature. The puzzles are made of recycled cardboard and the linen-finish paper lends your puzzle a luxurious look.

All Jumbo puzzles are produced using an extra fine die-cutter, maintaining an exceptionally high level of quality for enthusiasts the world over. This part is cataloged in the U.S. Government catalog under NSN 2805-00-339-5598, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 18553
NSN: 2805-00-339-5598
NIINs: 003395598, 006696705, 010711516, 010712154, 010718859, 011984354, 014593599, 016627219
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 96046 — CRANE PUMPS & SYSTEMS PFT CORP DIV CRANE PUMPS & SYSTEM PFT CORP. (USA)
SPECIFICATIONS
end_item_identificationTACTICAL UNMANNED AIRCRAFT SYSTEM (SHADOW)
part_name_assigned_by_controlling_agencySEAL FILTER 100 OHM
NSN2805-00-339-5598
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Jumbo TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN 18553 MFR Jumbo TAPPET,ENGINE POPPET V
KEY FEATURES
•
CAM END DIAMETER: 0.992 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.492 INCHES NOMINAL IN
•
CONCENTRIC HOLE DEPTH: 2.812 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.624 INCHES NOMINAL IN
•
BODY GROOVE WIDTH: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNAL THREAD AND WRENCHING FLATS PUSH ROD END
•
DISTANCE FROM BODY GROOVE CENTER TO CAM END: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CAM END DIAMETER0.992 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.492 INCHES NOMINAL IN
CONCENTRIC HOLE DEPTH2.812 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.624 INCHES NOMINAL IN
BODY GROOVE WIDTH0.125 INCHES NOMINAL IN
STYLE DESIGNATORINTERNAL THREAD AND WRENCHING FLATS PUSH ROD END
OVERALL LENGTH3.113 INCHES NOMINAL IN
DISTANCE FROM BODY GROOVE CENTER TO CAM END0.625 INCHES NOMINAL IN
FLATS LENGTH0.219 INCHES NOMINAL IN
ADJUSTABILITYADJUSTABLE
SUBSTITUTES & CROSS-REFERENCES 6
F66Reference document
Same NSN cross-reference
Reference document — Secondary reference
15700Reference document
Same NSN cross-reference
Reference document — Secondary reference
1DF66Reference document
Same NSN cross-reference
Reference document — Secondary reference
F66MReference document
Same NSN cross-reference
Reference document — Secondary reference
CFR40882Reference document
Same NSN cross-reference
Reference document — Secondary reference
JHP33-38Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18553?
18553 is a TAPPET,ENGINE POPPET VALVE manufactured by Jumbo. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18553?
There are 6 known substitutes for 18553: F66, 15700, 1DF66 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18553?
18553 is cataloged in the U.S. Government catalog under NSN 2805-00-339-5598. 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.