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3142U991 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3142U991: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, bore_diameter: 0.8748 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN, load_direction: RADIAL, inner_ring_width: 0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN, outer_ring_width: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, special_features: 0.0002-0.0008 IN. RADIAL CLEARANCE IN.

This part is cataloged in the U.S. Government catalog under NSN 2815-01-024-6896, 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
3142U991
NSN: 2815-01-024-6896
FSC: 2815 — Diesel Engines and Components
CAGE: 13446 — PERKINS ENGINES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
bore_diameter0.8748 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM IN
load_directionRADIAL
inner_ring_width0.2760 INCHES MINIMUM AND 0.2810 INCHES MAXIMUM IN
outer_ring_width0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
special_features0.0002-0.0008 IN. RADIAL CLEARANCE IN
style_designatorSINGLE ROW, TORQUE TUBE TYPE, W/OR W/O CLOSURE
overall_outside_diameter1.3121 INCHES MINIMUM AND 1.3125 INCHES MAXIMUM IN
NSN2815-01-024-6896
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN 3142U991 MFR TAPPET,ENGINE POPPET V
SUBSTITUTES & CROSS-REFERENCES 7
31434162Reference document
Same NSN cross-reference
Reference document — Secondary reference
99623Reference document
Same NSN cross-reference
Reference document — Secondary reference
224248Reference document
Same NSN cross-reference
Reference document — Secondary reference
02/100044Reference document
Same NSN cross-reference
Reference document — Secondary reference
0/100044Reference document
Same NSN cross-reference
Reference document — Secondary reference
31434163Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3142U991?
3142U991 is a TAPPET,ENGINE POPPET VALVE.
What parts can replace 3142U991?
There are 7 known substitutes for 3142U991: 31434162, 99623, 224248 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3142U991?
3142U991 is cataloged in the U.S. Government catalog under NSN 2815-01-024-6896. 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.