7866-260 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

7866-260: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A NOMINAL, outside_diameter: 6.762 INCHES NOMINAL IN, center_hole_diameter: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-059-0279, 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

7866-260

NSN: 5331-01-059-0279
FSC: 5331 — O-ring
CAGE: 25184 — PARKER HANNIFIN CORPORATION DIV O-RING DIVISION (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating	-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
hardness_rating	60.0 SHORE DUROMETER A NOMINAL
outside_diameter	6.762 INCHES NOMINAL IN
center_hole_diameter	6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
elongation_percentage	200 MAXIMUM
cross-sectional_height	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
criticality_code_justification	ADYT
NSN	5331-01-059-0279

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF

•

CROSS-SECTIONAL HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 6.762 INCHES NOMINAL IN

•

HARDNESS RATING: 60.0 SHORE DUROMETER A NOMINAL

•

CRITICALITY CODE JUSTIFICATION: ADYT

•

ELONGATION PERCENTAGE: 200 MAXIMUM

•

CENTER HOLE DIAMETER: 6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

TEMP RATING	-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER	6.762 INCHES NOMINAL IN
HARDNESS RATING	60.0 SHORE DUROMETER A NOMINAL
CRITICALITY CODE JUSTIFICATION	ADYT
ELONGATION PERCENTAGE	200 MAXIMUM
CENTER HOLE DIAMETER	6.461 INCHES MINIMUM AND 6.507 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 4

1793-260Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MS29513-260Reference document

Same NSN cross-reference

Reference document — Secondary reference

457-60-260Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

SR-822A-60-260Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedAcquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7866-260?

7866-260 is a O-RING.

What parts can replace 7866-260?

There are 4 known substitutes for 7866-260: 1793-260, MS29513-260, 457-60-260 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 7866-260?

7866-260 is cataloged in the U.S. Government catalog under NSN 5331-01-059-0279. This indicates validated use in U.S. government and defense supply chains.

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7866-260 — O-RING

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