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HL-1945 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HL-1945: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, grip_length: 0.312 INCHES NOMINAL IN, head_height: 0.031 INCHES NOMINAL IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.162 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-816-7679, 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
HL-1945
NSN: 2805-00-816-7679
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 72156 — ELGIN INDUSTRIES INC. DBA (USA)
SPECIFICATIONS
materialSTEEL OVERALL
grip_length0.312 INCHES NOMINAL IN
head_height0.031 INCHES NOMINAL IN
shank_stylePIN-RIVET, STRAIGHT, THREADED
thread_class3A A
shank_diameter0.162 INCHES NOMINAL IN
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
head_major_diameter0.249 INCHES NOMINAL IN
nominal_thread_size0.164 INCHES IN
width_between_flats0.077 INCHES NOMINAL IN
thread_quantity_per_inch32
NSN2805-00-816-7679
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN HL-1945 MFR TAPPET,ENGINE POPPET V
SUBSTITUTES & CROSS-REFERENCES 5
217158R91Reference document
Same NSN cross-reference
Reference document — Secondary reference
217158R92Reference document
Same NSN cross-reference
Reference document — Secondary reference
HL-1855Reference document
Same NSN cross-reference
Reference document — Secondary reference
VL32Reference document
Same NSN cross-reference
Reference document — Secondary reference
21758R92Reference 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 HL-1945?
HL-1945 is a TAPPET,ENGINE POPPET VALVE.
What parts can replace HL-1945?
There are 5 known substitutes for HL-1945: 217158R91, 217158R92, HL-1855 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL-1945?
HL-1945 is cataloged in the U.S. Government catalog under NSN 2805-00-816-7679. 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.