HL20-8-9 — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

HL20-8-9: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL, grip_length: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN, head_height: 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN, shank_style: PIN-RIVET, STRAIGHT, THREADED, thread_class: 3A A, shank_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5320-00-004-4036, 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

HL20-8-9

NSN: 5320-00-004-4036
NIINs: 000044036, 011637114
FSC: 5320 — Rivets
CAGE: 73197 — HI-SHEAR CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL
grip_length	0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
head_height	0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
shank_style	PIN-RIVET, STRAIGHT, THREADED
thread_class	3A A
shank_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
shear_strength	9300 DOUBLE POUNDS PER SQUARE INCH
fastener_length	0.947 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN
operation_method	HYDRAULIC
size_designation	STANDARD
special_features	USED ON CHRYSLER CORPORATION 1981-83 225 ENGINE
thread_direction	RIGHT-HAND
NSN	5320-00-004-4036

COMPONENT DIAGRAM

KEY FEATURES

•

SHANK DIAMETER: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.947 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

GRIP LENGTH: 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

SHANK DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
HEAD HEIGHT	0.077 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
FASTENER LENGTH	0.947 INCHES MINIMUM AND 0.967 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
GRIP LENGTH	0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS	0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM IN
SHANK STYLE	PIN-RIVET, STRAIGHT, THREADED

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HL20-8-9?

HL20-8-9 is a TAPPET,ENGINE POPPET VALVE.

What is the NSN for HL20-8-9?

HL20-8-9 is cataloged in the U.S. Government catalog under NSN 5320-00-004-4036. This indicates validated use in U.S. government and defense supply chains.

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HL20-8-9 — TAPPET,ENGINE POPPET VALVE

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