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Technical Data Sheet
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9278 — EXPANSION JOINT,PIPE

✓ Government record, cited
ASUS · ORING SEAL
PRODUCT OVERVIEW

9278: EXPANSION JOINT,PIPE.

Powered by the world's first native 16-lane PCI Express VPU, the RADEON X600XT, and incorporated GameFace Live, VideoSecurity Online, OnScreenDisplay, SmartDoctor, SmartCooling and HyperDrive, unique features found only in ASUS solutions, the Extreme AX600XT provides the best visual experience compared with any competing graphics cards. Chipset Feature ATI Radeon X600XT VPU (Visual Processing Unit) PCI-Express graphics chip with native 16 lane and double the bandwitch of AGP 8X. 4 Full Precision Pipelines-provide over 2 GigaPixels/sec of unmatched shader power SMARTSHADER –defines the level of realism in latest 2D/3D games and applications.

VIDEOSHADER - provides seamless integration of pixel shaders with video in real time. Microsoft DirectX 9 and OpenGL 1.5 support HDTV support This part is cataloged in the U.S. Government catalog under NSN 5330-00-255-0329, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
9278
NSN: 5330-00-255-0329
NIINs: 002550329, 005846414, 007585177, 012833102, 014668611, 016786256
FSC: 5330 — Packing and Gasket Materials
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencyKEY, ALTERNATE FOR L1054B
NSN5330-00-255-0329
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9278 MFR: ASUS ⚠ 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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CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 5.312 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.812 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 4.625 INCHES NOMINAL IN
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MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER5.312 INCHES NOMINAL IN
APERTURE DIAMETER3.812 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER4.625 INCHES NOMINAL IN
MATERIALCELLULOSE OVERALL
HOLE DIAMETER0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
26879Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9278?
9278 is a EXPANSION JOINT,PIPE manufactured by ASUS.
What parts can replace 9278?
There is 1 known substitute for 9278: 26879. Substitute compatibility should be verified for your specific system.
What is the NSN for 9278?
9278 is cataloged in the U.S. Government catalog under NSN 5330-00-255-0329. This indicates validated use in U.S. government and defense supply chains.
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