MFA42A — TAPPET,ENGINE POPPET VALVE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MFA42A: TAPPET,ENGINE POPPET VALVE.

The TAPPET,ENGINE POPPET VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OVERALL, adjustability: NONADJUSTABLE, cam_end_height: 0.095 INCHES NOMINAL IN, overall_length: 2.429 INCHES MINIMUM AND 2.433 INCHES MAXIMUM IN, cam_end_diameter: 0.802 INCHES NOMINAL IN, operation_method: MECHANICAL. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-358-2939, 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

MFA42A

NSN: 2805-00-358-2939
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 91340 — MET-PRO CORPORATION (USA)

SPECIFICATIONS

material	STEEL COMP 1020 OVERALL
adjustability	NONADJUSTABLE
cam_end_height	0.095 INCHES NOMINAL IN
overall_length	2.429 INCHES MINIMUM AND 2.433 INCHES MAXIMUM IN
cam_end_diameter	0.802 INCHES NOMINAL IN
operation_method	MECHANICAL
size_designation	STANDARD
style_designator	TWO PIECE, CUPPED PUSH ROD END
body_outside_diameter	0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
casehardened_location	OVERALL
casehardening_indicator	CASEHARDENED
material_document_and_classification	SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	2805-00-358-2939

COMPONENT DIAGRAM

KEY FEATURES

•

CAM END DIAMETER: 0.802 INCHES NOMINAL IN

•

BODY OUTSIDE DIAMETER: 0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN

•

STYLE DESIGNATOR: TWO PIECE, CUPPED PUSH ROD END

•

METALLIC HARDNESS RATING AND LOCATION: 70.0 SHORE SCLEROSCOPE MINIMUM OVERALL AND 80.0 SHORE SCLEROSCOPE MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

ADJUSTABILITY: NONADJUSTABLE

•

CAM END HEIGHT: 0.095 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

CAM END DIAMETER	0.802 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER	0.309 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
STYLE DESIGNATOR	TWO PIECE, CUPPED PUSH ROD END
METALLIC HARDNESS RATING AND LOCATION	70.0 SHORE SCLEROSCOPE MINIMUM OVERALL AND 80.0 SHORE SCLEROSCOPE MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH	2.429 INCHES MINIMUM AND 2.433 INCHES MAXIMUM IN
ADJUSTABILITY	NONADJUSTABLE
CAM END HEIGHT	0.095 INCHES NOMINAL IN
SIZE DESIGNATION	STANDARD
CASEHARDENING INDICATOR	CASEHARDENED

SUBSTITUTES & CROSS-REFERENCES 4

WPP56Reference document

Same NSN cross-reference

Reference document — Secondary reference

4219Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

609026Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

W37-33Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MFA42A?

MFA42A is a TAPPET,ENGINE POPPET VALVE.

What parts can replace MFA42A?

There are 4 known substitutes for MFA42A: WPP56, 4219, 609026 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for MFA42A?

MFA42A is cataloged in the U.S. Government catalog under NSN 2805-00-358-2939. This indicates validated use in U.S. government and defense supply chains.

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MFA42A — TAPPET,ENGINE POPPET VALVE

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