AD42A — GUIDE,VALVE STEM

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

AD42A: GUIDE,VALVE STEM.

The GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL, bb_end_radius: 0.750 INCHES NOMINAL IN, bore_diameter: 0.3437 INCHES NOMINAL IN, overall_length: 2.500 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-574-8856, 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

AD42A

NSN: 2805-00-574-8856
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 66289 — WISCONSIN MOTORS, LLC (USA)

SPECIFICATIONS

material	STEEL
bb_end_radius	0.750 INCHES NOMINAL IN
bore_diameter	0.3437 INCHES NOMINAL IN
overall_length	2.500 INCHES NOMINAL IN
bore_counterbore	NOT INCLUDED
bore_countersink	NOT INCLUDED
outside_diameter	0.471 INCHES NOMINAL IN
style_designator	PLAIN
aa_end_chamfer_length	0.020 INCHES NOMINAL IN
aa_end_chamfer_angle_in_deg	45.0
NSN	2805-00-574-8856

COMPONENT DIAGRAM

KEY FEATURES

•

AA END CHAMFER ANGLE IN DEG: 45.0

•

AA END CHAMFER LENGTH: 0.020 INCHES NOMINAL IN

•

STYLE DESIGNATOR: PLAIN

•

BORE COUNTERBORE: NOT INCLUDED

•

OUTSIDE DIAMETER: 0.471 INCHES NOMINAL IN

•

BB END RADIUS: 0.750 INCHES NOMINAL IN

•

BORE DIAMETER: 0.3437 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

AA END CHAMFER ANGLE IN DEG	45.0
AA END CHAMFER LENGTH	0.020 INCHES NOMINAL IN
STYLE DESIGNATOR	PLAIN
OVERALL LENGTH	2.500 INCHES NOMINAL IN
BORE COUNTERBORE	NOT INCLUDED
OUTSIDE DIAMETER	0.471 INCHES NOMINAL IN
BB END RADIUS	0.750 INCHES NOMINAL IN
BORE DIAMETER	0.3437 INCHES NOMINAL IN
MATERIAL	STEEL
BORE COUNTERSINK	NOT INCLUDED

SUBSTITUTES & CROSS-REFERENCES 1

56313Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 AD42A?

AD42A is a GUIDE,VALVE STEM.

What parts can replace AD42A?

There is 1 known substitute for AD42A: 56313. Substitute compatibility should be verified for your specific system.

What is the NSN for AD42A?

AD42A is cataloged in the U.S. Government catalog under NSN 2805-00-574-8856. This indicates validated use in U.S. government and defense supply chains.

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AD42A — GUIDE,VALVE STEM

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