A6689.244.303 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

A6689.244.303: 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 275.0 FAHRENHEIT DEGF, outside_diameter: 4.512 INCHES NOMINAL IN, center_hole_diameter: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN, elongation_percentage: 160 MAXIMUM, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-211-1496, 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

A6689.244.303

NSN: 5331-01-211-1496
NIINs: 012111496, 012671128
FSC: 5331 — O-ring
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating	-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
outside_diameter	4.512 INCHES NOMINAL IN
center_hole_diameter	4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
elongation_percentage	160 MAXIMUM
cross-sectional_height	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN	5331-01-211-1496

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF

•

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

•

OUTSIDE DIAMETER: 4.512 INCHES NOMINAL IN

•

ELONGATION PERCENTAGE: 160 MAXIMUM

•

CENTER HOLE DIAMETER: 4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

TEMP RATING	-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
OUTSIDE DIAMETER	4.512 INCHES NOMINAL IN
ELONGATION PERCENTAGE	160 MAXIMUM
CENTER HOLE DIAMETER	4.219 INCHES MINIMUM AND 4.249 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 4

MS28775-244Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

MIL-P-25732Reference document

Same NSN cross-reference

Reference document — Identification reference

5331PL0889379Reference document

Same NSN cross-reference

Reference document — Informative reference only

SAE-AS28775Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 A6689.244.303?

A6689.244.303 is a O-RING.

What parts can replace A6689.244.303?

There are 4 known substitutes for A6689.244.303: MS28775-244, MIL-P-25732, 5331PL0889379 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for A6689.244.303?

A6689.244.303 is cataloged in the U.S. Government catalog under NSN 5331-01-211-1496. This indicates validated use in U.S. government and defense supply chains.

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A6689.244.303 — O-RING

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