The GASKET is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, hole_diameter: 0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.750 INCHES NOMINAL IN, aperture_diameter: 0.250 INCHES NOMINAL IN, bolt_circle_diameter: 3.750 INCHES NOMINAL IN, outside_corner_radius: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-803-0253, 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
278280R1
NSN:5330-00-803-0253 FSC:5330 — Packing and Gasket Materials CAGE:29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
material
CELLULOSE OVERALL
hole_diameter
0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width
4.750 INCHES NOMINAL IN
aperture_diameter
0.250 INCHES NOMINAL IN
bolt_circle_diameter
3.750 INCHES NOMINAL IN
outside_corner_radius
0.500 INCHES NOMINAL IN
cross-sectional_thickness
0.031 INCHES NOMINAL IN
cross-sectional_shape_style
SOLID SINGLE OR COMPOSITION
side_radius_from_gasket_center
1.530 INCHES NOMINAL IN
NSN
5330-00-803-0253
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.530 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.250 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 3.750 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS
0.031 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER
1.530 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE
SOLID SINGLE OR COMPOSITION
OVERALL WIDTH
4.750 INCHES NOMINAL IN
APERTURE DIAMETER
0.250 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER
3.750 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS
0.500 INCHES NOMINAL IN
MATERIAL
CELLULOSE OVERALL
HOLE DIAMETER
0.470 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
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FREQUENTLY ASKED QUESTIONS
What is 278280R1?
278280R1 is a GASKET.
What parts can replace 278280R1?
There are 2 known substitutes for 278280R1: 88502, D88502. Substitute compatibility should be verified for your specific system.
What is the NSN for 278280R1?
278280R1 is cataloged in the U.S. Government catalog under NSN 5330-00-803-0253. This indicates validated use in U.S. government and defense supply chains.
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