3901ASTD — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

3901ASTD: 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: 0.1850 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN, radial_wall_thickness: 0.1200 INCHES NOMINAL IN, standard_bore_diameter: 2.625 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-273-0345, 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

3901ASTD

NSN: 2805-00-273-0345
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.1850 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN
radial_wall_thickness	0.1200 INCHES NOMINAL IN
standard_bore_diameter	2.625 INCHES IN
cross-sectional_shape_style	TAPERED FACE
NSN	2805-00-273-0345

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: TAPERED FACE

•

JOINT STYLE: VERTICAL JOINT

•

RADIAL WALL THICKNESS: 0.1200 INCHES NOMINAL IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 2.625 INCHES IN

•

MATERIAL: IRON OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.1850 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	TAPERED FACE
JOINT STYLE	VERTICAL JOINT
RADIAL WALL THICKNESS	0.1200 INCHES NOMINAL IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	2.625 INCHES IN
MATERIAL	IRON OVERALL

SUBSTITUTES & CROSS-REFERENCES 1

CL20-65Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 3901ASTD?

3901ASTD is a RING,PISTON.

What parts can replace 3901ASTD?

There is 1 known substitute for 3901ASTD: CL20-65. Substitute compatibility should be verified for your specific system.

What is the NSN for 3901ASTD?

3901ASTD is cataloged in the U.S. Government catalog under NSN 2805-00-273-0345. This indicates validated use in U.S. government and defense supply chains.

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3901ASTD — RING,PISTON

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