The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL, aperture_width: 4.490 INCHES NOMINAL IN, aperture_length: 28.240 INCHES NOMINAL IN, inside_corner_radius: 0.810 INCHES NOMINAL IN, bearing_surface_width: 0.380 INCHES NOMINAL IN, outside_corner_radius: 1.190 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 5330-00-770-5940, 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
278308R1
NSN:5330-00-770-5940 NIINs:007705940, 011931261 FSC:5330 — Packing and Gasket Materials CAGE:31007 — NAVISTAR INTERNATIONAL CORPORATION DBA NAVISTAR (USA)
SPECIFICATIONS
material
ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
aperture_width
4.490 INCHES NOMINAL IN
aperture_length
28.240 INCHES NOMINAL IN
inside_corner_radius
0.810 INCHES NOMINAL IN
bearing_surface_width
0.380 INCHES NOMINAL IN
outside_corner_radius
1.190 INCHES NOMINAL IN
cross-sectional_thickness
0.062 INCHES NOMINAL IN
cross-sectional_shape_style
SOLID SINGLE OR COMPOSITION
material_document_and_classification
MIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
NSN
5330-00-770-5940
COMPONENT DIAGRAM
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.810 INCHES NOMINAL IN
•
BEARING SURFACE WIDTH: 0.380 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 4.490 INCHES NOMINAL IN
•
APERTURE LENGTH: 28.240 INCHES NOMINAL IN
•
OUTSIDE CORNER RADIUS: 1.190 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS
0.062 INCHES NOMINAL IN
INSIDE CORNER RADIUS
0.810 INCHES NOMINAL IN
BEARING SURFACE WIDTH
0.380 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION
MIL-G-12803,+1162-A MIL SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLE
SOLID SINGLE OR COMPOSITION
APERTURE WIDTH
4.490 INCHES NOMINAL IN
APERTURE LENGTH
28.240 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS
1.190 INCHES NOMINAL IN
MATERIAL
ASBESTOS AND RUBBER POLYISOPRENE NATURAL CLASS NR OR RUBBER POLYISOPRENE SYNTHETIC CLASS IR OVERALL
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FREQUENTLY ASKED QUESTIONS
What is 278308R1?
278308R1 is a GASKET.
What parts can replace 278308R1?
There are 2 known substitutes for 278308R1: D88505, 88505. Substitute compatibility should be verified for your specific system.
What is the NSN for 278308R1?
278308R1 is cataloged in the U.S. Government catalog under NSN 5330-00-770-5940. This indicates validated use in U.S. government and defense supply chains.
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