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HL-1855 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

HL-1855: 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 5320-00-498-3590, 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-1855
NSN: 5320-00-498-3590
NIINs: 004983590, 008167679
FSC: 5320 — Rivets
CAGE: 73197 — HI-SHEAR CORPORATION (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
NSN5320-00-498-3590
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TAPPET,ENGINE POPPET VALVE TITLE COMPONENT PN HL-1855 MFR TAPPET,ENGINE POPPET V
KEY FEATURES
•
SHANK DIAMETER: 0.162 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.031 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
GRIP LENGTH: 0.312 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.077 INCHES NOMINAL IN
•
SHANK STYLE: PIN-RIVET, STRAIGHT, THREADED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.162 INCHES NOMINAL IN
HEAD HEIGHT0.031 INCHES NOMINAL IN
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
GRIP LENGTH0.312 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.077 INCHES NOMINAL IN
SHANK STYLEPIN-RIVET, STRAIGHT, THREADED
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 HL-1855?
HL-1855 is a TAPPET,ENGINE POPPET VALVE.
What is the NSN for HL-1855?
HL-1855 is cataloged in the U.S. Government catalog under NSN 5320-00-498-3590. This indicates validated use in U.S. government and defense supply chains.
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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.