N0300 8-263 — BACK-UP RING,PREFORMED PACKING

✓ Government record, cited

— · ORING SEAL

PRODUCT OVERVIEW

N0300 8-263: BACK-UP RING,PREFORMED PACKING.

The BACK-UP RING,PREFORMED PACKING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, hardness_rating: 90.0 SHORE DUROMETER A NOMINAL, peripheral_diameter: 7.504 INCHES NOMINAL IN, center_hole_diameter: 7.268 INCHES NOMINAL IN, cross-sectional_height: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-499-9913, 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

N0300 8-263

NSN: 5330-01-499-9913
FSC: 5330 — Packing and Gasket Materials
CAGE: 02697 — PARKER-HANNIFIN CORP DIV O-RING DIVISION (USA)

SPECIFICATIONS

material	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating	-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
hardness_rating	90.0 SHORE DUROMETER A NOMINAL
peripheral_diameter	7.504 INCHES NOMINAL IN
center_hole_diameter	7.268 INCHES NOMINAL IN
cross-sectional_height	0.050 INCHES NOMINAL IN
cross-sectional_shape_style	CONTOURED FACE SOLID
material_document_and_classification	(92697)NO300-90 BUNA-N MFR REF SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agency	PARBAK
NSN	5330-01-499-9913

COMPONENT DIAGRAM

KEY FEATURES

•

TEMP RATING: -40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF

•

CROSS-SECTIONAL HEIGHT: 0.050 INCHES NOMINAL IN

•

HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: (92697)NO300-90 BUNA-N MFR REF SINGLE MATERIAL RESPONSE

•

CROSS-SECTIONAL SHAPE STYLE: CONTOURED FACE SOLID

•

PERIPHERAL DIAMETER: 7.504 INCHES NOMINAL IN

•

CENTER HOLE DIAMETER: 7.268 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

TEMP RATING	-40.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT	0.050 INCHES NOMINAL IN
HARDNESS RATING	90.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	(92697)NO300-90 BUNA-N MFR REF SINGLE MATERIAL RESPONSE
CROSS-SECTIONAL SHAPE STYLE	CONTOURED FACE SOLID
PERIPHERAL DIAMETER	7.504 INCHES NOMINAL IN
CENTER HOLE DIAMETER	7.268 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY	PARBAK
MATERIAL	RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR

SUBSTITUTES & CROSS-REFERENCES 2

8-263 N300-90Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

924916Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 N0300 8-263?

N0300 8-263 is a BACK-UP RING,PREFORMED PACKING.

What parts can replace N0300 8-263?

There are 2 known substitutes for N0300 8-263: 8-263 N300-90, 924916. Substitute compatibility should be verified for your specific system.

What is the NSN for N0300 8-263?

N0300 8-263 is cataloged in the U.S. Government catalog under NSN 5330-01-499-9913. This indicates validated use in U.S. government and defense supply chains.

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N0300 8-263 — BACK-UP RING,PREFORMED PACKING

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