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256980 — BEARING,PLAIN,SPHERICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

256980: BEARING,PLAIN,SPHERICAL.

The BEARING,PLAIN,SPHERICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OUTER LAYER, corner_shape: CHAMFERED INSIDE RIGHT CORNER, overall_length: 0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN, surface_finish: 8.0 MICROINCHES SPHERICAL SURFACE, style_designator: SPLIT, surface_treatment: PASSIVATE OUTER LAYER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-531-2817, 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
256980
NSN: 5330-00-531-2817
NIINs: 005312817, 010097065
FSC: 5330 — Packing and Gasket Materials
CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
materialSTEEL COMP 630 OUTER LAYER
corner_shapeCHAMFERED INSIDE RIGHT CORNER
overall_length0.5000 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN
surface_finish8.0 MICROINCHES SPHERICAL SURFACE
style_designatorSPLIT
surface_treatmentPASSIVATE OUTER LAYER
body_inside_diameter0.7180 INCHES MINIMUM AND 0.7220 INCHES MAXIMUM IN
spherical_body_diameter1.0600 INCHES MINIMUM AND 1.0620 INCHES MAXIMUM IN
material_document_and_classificationFIBILOID/09455 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER
surface_treatment_document_and_classificationQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OUTER LAYER
NSN5330-00-531-2817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 256980 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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FSC APPLICATION DATA: ENGINE,AIRCRAFT,RECIPROCATING
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAENGINE,AIRCRAFT,RECIPROCATING
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 256980?
256980 is a BEARING,PLAIN,SPHERICAL.
What is the NSN for 256980?
256980 is cataloged in the U.S. Government catalog under NSN 5330-00-531-2817. This indicates validated use in U.S. government and defense supply chains.
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