3818A040 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3818A040: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN, surface_treatment: NICKEL SILVER OVERALL, radial_wall_thickness: 0.1700 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-033-6090, 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

3818A040

NSN: 2805-00-033-6090
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 28265 — HERCULES ENGINE CO INC (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
surface_treatment	NICKEL SILVER OVERALL
radial_wall_thickness	0.1700 INCHES NOMINAL IN
bore_diameter_oversize	0.040 INCHES IN
standard_bore_diameter	4.250 INCHES IN
cross-sectional_shape_style	PLAIN RECTANGULAR, STRAIGHT FACE
NSN	2805-00-033-6090

COMPONENT DIAGRAM

KEY FEATURES

•

BORE DIAMETER OVERSIZE: 0.040 INCHES IN

•

CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE

•

JOINT STYLE: VERTICAL JOINT

•

RADIAL WALL THICKNESS: 0.1700 INCHES NOMINAL IN

•

RING STYLE: CONCENTRIC

•

SURFACE TREATMENT: NICKEL SILVER OVERALL

•

STANDARD BORE DIAMETER: 4.250 INCHES IN

TECHNICAL CHARACTERISTICS

BORE DIAMETER OVERSIZE	0.040 INCHES IN
OVERALL WIDTH	0.1235 INCHES MINIMUM AND 0.1240 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE	VERTICAL JOINT
RADIAL WALL THICKNESS	0.1700 INCHES NOMINAL IN
RING STYLE	CONCENTRIC
SURFACE TREATMENT	NICKEL SILVER OVERALL
STANDARD BORE DIAMETER	4.250 INCHES IN
MATERIAL	IRON OVERALL

OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463

SUBSTITUTES & CROSS-REFERENCES 1

3818AP040Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3818A040?

3818A040 is a RING,PISTON.

What parts can replace 3818A040?

There is 1 known substitute for 3818A040: 3818AP040. Substitute compatibility should be verified for your specific system.

What is the NSN for 3818A040?

3818A040 is cataloged in the U.S. Government catalog under NSN 2805-00-033-6090. This indicates validated use in U.S. government and defense supply chains.

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3818A040 — RING,PISTON

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