26J81PC41 — RING,PISTON

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

26J81PC41: RING,PISTON.

The RING,PISTON is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, ring_style: CONCENTRIC, joint_style: DIAGONAL JOINT, overall_width: 0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN, fsc_application_data: TURBINE,STEAM, radial_wall_thickness: 0.1550 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2825-00-273-0618, 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

26J81PC41

NSN: 2825-00-273-0618
FSC: 2825 — Steam Turbines and Components
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)

SPECIFICATIONS

material	IRON OVERALL
ring_style	CONCENTRIC
joint_style	DIAGONAL JOINT
overall_width	0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
fsc_application_data	TURBINE,STEAM
radial_wall_thickness	0.1550 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
standard_bore_diameter	4.000 INCHES IN
cross-sectional_shape_style	PLAIN RECTANGULAR, STRAIGHT FACE
NSN	2825-00-273-0618

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: TURBINE,STEAM

•

CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE

•

JOINT STYLE: DIAGONAL JOINT

•

RADIAL WALL THICKNESS: 0.1550 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN

•

RING STYLE: CONCENTRIC

•

STANDARD BORE DIAMETER: 4.000 INCHES IN

•

MATERIAL: IRON OVERALL

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	TURBINE,STEAM
OVERALL WIDTH	0.2480 INCHES MINIMUM AND 0.2490 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	PLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLE	DIAGONAL JOINT
RADIAL WALL THICKNESS	0.1550 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
RING STYLE	CONCENTRIC
STANDARD BORE DIAMETER	4.000 INCHES IN
MATERIAL	IRON OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

26J243PC41Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

25J749PC7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

1389661Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

26J52PC98Reference 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 26J81PC41?

26J81PC41 is a RING,PISTON.

What parts can replace 26J81PC41?

There are 4 known substitutes for 26J81PC41: 26J243PC41, 25J749PC7, 1389661 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 26J81PC41?

26J81PC41 is cataloged in the U.S. Government catalog under NSN 2825-00-273-0618. This indicates validated use in U.S. government and defense supply chains.

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