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1497B — SCREW,ADJUSTING,VALVE TAPPET

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1497B: SCREW,ADJUSTING,VALVE TAPPET.

The SCREW,ADJUSTING,VALVE TAPPET is a the manufacturer industrial component. Key specifications include material: STEEL, end_length: 0.262 INCHES NOMINAL IN, slot_depth: 0.030 INCHES NOMINAL IN, slot_width: 0.100 INCHES NOMINAL IN, thread_size: 0.625-11, thread_class: 2A A. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-146-5588, 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
1497B
NSN: 2815-00-146-5588
NIINs: 001465588, 010323311
FSC: 2815 — Diesel Engines and Components
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
materialSTEEL
end_length0.262 INCHES NOMINAL IN
slot_depth0.030 INCHES NOMINAL IN
slot_width0.100 INCHES NOMINAL IN
thread_size0.625-11
thread_class2A A
thread_length1.500 INCHES IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_length1.762 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN2815-00-146-5588
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCREW,ADJUSTING,VALVE TAPPET TITLE COMPONENT PN 1497B MFR SCREW,ADJUSTING,VALVE
KEY FEATURES
•
END LENGTH: 0.262 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD LENGTH: 1.500 INCHES IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
SLOT DEPTH: 0.030 INCHES NOMINAL IN
•
THREAD SIZE: 0.625-11
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
END LENGTH0.262 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
OVERALL LENGTH1.762 INCHES NOMINAL IN
THREAD LENGTH1.500 INCHES IN
CASEHARDENING INDICATORNOT CASEHARDENED
SLOT DEPTH0.030 INCHES NOMINAL IN
THREAD SIZE0.625-11
THREAD CLASS2A A
MATERIALSTEEL
SLOT WIDTH0.100 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
111023PC190Reference document
Same NSN cross-reference
Reference document — Secondary reference
116221PC190Reference document
Same NSN cross-reference
Reference document — Secondary reference
114972PC174Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1497B?
1497B is a SCREW,ADJUSTING,VALVE TAPPET.
What parts can replace 1497B?
There are 3 known substitutes for 1497B: 111023PC190, 116221PC190, 114972PC174. Substitute compatibility should be verified for your specific system.
What is the NSN for 1497B?
1497B is cataloged in the U.S. Government catalog under NSN 2815-00-146-5588. 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.