25331-386 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

25331-386: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: STEP JOINT, overall_width: 0.2500 INCHES NOMINAL IN, radial_wall_thickness: 0.2800 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN, standard_bore_diameter: 8.000 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2825-00-174-0282, 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

25331-386

NSN: 2825-00-174-0282
FSC: 2825 — Steam Turbines and Components
CAGE: 04537 — ATWOOD & MORRILL CO., INC. DBA WEIR VALVES AND CONTROLS USA (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	STEP JOINT
overall_width	0.2500 INCHES NOMINAL IN
radial_wall_thickness	0.2800 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN
standard_bore_diameter	8.000 INCHES IN
cross-sectional_shape_style	PLAIN RECTANGULAR, STRAIGHT FACE
NSN	2825-00-174-0282

COMPONENT DIAGRAM

KEY FEATURES

•

CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE

•

JOINT STYLE: STEP JOINT

•

RADIAL WALL THICKNESS: 0.2800 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 8.000 INCHES IN

•

MATERIAL: IRON OVERALL

TECHNICAL CHARACTERISTICS

OVERALL WIDTH	0.2500 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE	STEP JOINT
RADIAL WALL THICKNESS	0.2800 INCHES MINIMUM AND 0.2900 INCHES MAXIMUM IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	8.000 INCHES IN
MATERIAL	IRON OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

6680744AA-63Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

6100-93PC63Reference document

Same NSN cross-reference

Reference document — Secondary reference

11570AReference document

Same NSN cross-reference

Reference document — Secondary reference

W6680744SH3PC63Same 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 25331-386?

25331-386 is a RING,PISTON.

What parts can replace 25331-386?

There are 4 known substitutes for 25331-386: 6680744AA-63, 6100-93PC63, 11570A and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 25331-386?

25331-386 is cataloged in the U.S. Government catalog under NSN 2825-00-174-0282. This indicates validated use in U.S. government and defense supply chains.

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25331-386 — RING,PISTON

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