81E52 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

81E52: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include ring_style: CONCENTRIC, joint_style: VERTICAL JOINT, overall_width: 0.0600 INCHES NOMINAL IN, standard_bore_diameter: 0.2540 INCHES IN, cross-sectional_shape_style: DOUBLE INSIDE BEVEL, STRAIGHT FACE. This part is cataloged in the U.S.

Government catalog under NSN 3040-01-415-6656, 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

81E52

NSN: 3040-01-415-6656
FSC: 3040 — Miscellaneous Power Transmission Equipment
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)

SPECIFICATIONS

ring_style	CONCENTRIC
joint_style	VERTICAL JOINT
overall_width	0.0600 INCHES NOMINAL IN
standard_bore_diameter	0.2540 INCHES IN
cross-sectional_shape_style	DOUBLE INSIDE BEVEL, STRAIGHT FACE
NSN	3040-01-415-6656

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: DOUBLE INSIDE BEVEL, STRAIGHT FACE

•

JOINT STYLE: VERTICAL JOINT

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 0.2540 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.0600 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	DOUBLE INSIDE BEVEL, STRAIGHT FACE
JOINT STYLE	VERTICAL JOINT
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	0.2540 INCHES IN

OTHER ITEMS IN FSC 3040 — Miscellaneous Power Transmission Equipment

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

3040-00-001-0046 3040-00-001-0047 3040-00-001-0048 3040-00-001-0068 3040-00-001-0077 3040-00-001-0078 3040-00-001-0089 3040-00-001-1224

SUBSTITUTES & CROSS-REFERENCES 1

81E85-1Same 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 81E52?

81E52 is a RING,PISTON.

What parts can replace 81E52?

There is 1 known substitute for 81E52: 81E85-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 81E52?

81E52 is cataloged in the U.S. Government catalog under NSN 3040-01-415-6656. This indicates validated use in U.S. government and defense supply chains.

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81E52 — RING,PISTON

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