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1281J87-002 — RING,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1281J87-002: 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: 0.1240 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN, radial_wall_thickness: 0.0950 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN, standard_bore_diameter: 2.280 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2825-01-184-0992, 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
1281J87-002
NSN: 2825-01-184-0992
FSC: 2825 — Steam Turbines and Components
CAGE: 01289 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
materialIRON OVERALL
ring_styleCONCENTRIC
joint_styleSTEP JOINT
overall_width0.1240 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
radial_wall_thickness0.0950 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
standard_bore_diameter2.280 INCHES IN
cross-sectional_shape_stylePLAIN RECTANGULAR, STRAIGHT FACE
NSN2825-01-184-0992
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING,PISTON TITLE COMPONENT PN 1281J87-002 MFR RING,PISTON
KEY FEATURES
•
CROSS-SECTIONAL SHAPE STYLE: PLAIN RECTANGULAR, STRAIGHT FACE
•
JOINT STYLE: STEP JOINT
•
RADIAL WALL THICKNESS: 0.0950 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
•
RING STYLE: CONCENTRIC
•
STANDARD BORE DIAMETER: 2.280 INCHES IN
•
MATERIAL: IRON OVERALL
TECHNICAL CHARACTERISTICS
OVERALL WIDTH0.1240 INCHES MINIMUM AND 1.2500 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEPLAIN RECTANGULAR, STRAIGHT FACE
JOINT STYLESTEP JOINT
RADIAL WALL THICKNESS0.0950 INCHES MINIMUM AND 1.0500 INCHES MAXIMUM IN
RING STYLECONCENTRIC
STANDARD BORE DIAMETER2.280 INCHES IN
MATERIALIRON OVERALL
OTHER ITEMS IN FSC 2825 — Steam Turbines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2825-00-001-8040 2825-00-001-8041 2825-00-001-8042 2825-00-001-8043 2825-00-001-8044 2825-00-003-0377 2825-00-003-8649 2825-00-004-9102
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 1281J87-002?
1281J87-002 is a RING,PISTON.
What is the NSN for 1281J87-002?
1281J87-002 is cataloged in the U.S. Government catalog under NSN 2825-01-184-0992. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.