RT253-65-388 — O-RING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

RT253-65-388: 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, outside_diameter: 19.375 INCHES NOMINAL IN, center_hole_diameter: 18.910 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN, elongation_percentage: 200 MAXIMUM, cross-sectional_height: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-028-9349, 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

RT253-65-388

NSN: 5331-01-028-9349
FSC: 5331 — O-ring
CAGE: 77969 — RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD. DBA RUBBERCRAFT CORP (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating	-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
outside_diameter	19.375 INCHES NOMINAL IN
center_hole_diameter	18.910 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
elongation_percentage	200 MAXIMUM
cross-sectional_height	0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
NSN	5331-01-028-9349

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF

•

CROSS-SECTIONAL HEIGHT: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN

•

OUTSIDE DIAMETER: 19.375 INCHES NOMINAL IN

•

ELONGATION PERCENTAGE: 200 MAXIMUM

•

CENTER HOLE DIAMETER: 18.910 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN

•

MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

TECHNICAL CHARACTERISTICS

TEMP RATING	-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN
OUTSIDE DIAMETER	19.375 INCHES NOMINAL IN
ELONGATION PERCENTAGE	200 MAXIMUM
CENTER HOLE DIAMETER	18.910 INCHES MINIMUM AND 19.000 INCHES MAXIMUM IN
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

OTHER ITEMS IN FSC 5331 — O-ring

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924

SUBSTITUTES & CROSS-REFERENCES 8

SAE-AS29513Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

AS29513-388Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

PX1775-388Reference document

Same NSN cross-reference

Reference document — Secondary reference

1793-388Reference document

Same NSN cross-reference

Reference document — Secondary reference

MS29513-388Reference document

Same NSN cross-reference

Reference document — Secondary reference

SR-822A-60-388Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Shelf-life managedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is RT253-65-388?

RT253-65-388 is a O-RING.

What parts can replace RT253-65-388?

There are 8 known substitutes for RT253-65-388: SAE-AS29513, AS29513-388, PX1775-388 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for RT253-65-388?

RT253-65-388 is cataloged in the U.S. Government catalog under NSN 5331-01-028-9349. This indicates validated use in U.S. government and defense supply chains.

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