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Technical Data Sheet
PartsTable / COMPONENT / 28838 ITEM 1
28838 ITEM 1 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET is a the manufacturer industrial component. Key specifications include hole_diameter: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.760 INCHES NOMINAL IN, overall_length: 5.760 INCHES NOMINAL IN, style_designator: NON-CIRCULAR, aperture_diameter: 5.030 INCHES NOMINAL IN, outside_corner_radius: 0.620 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-241-6427, 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
28838 ITEM 1
NSN: 5330-01-241-6427
FSC: 5330
CAGE: 23233 — JAY-EM AEROSPACE CORPORATION (USA)
SPECIFICATIONS
hole_diameter0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.760 INCHES NOMINAL IN
overall_length5.760 INCHES NOMINAL IN
style_designatorNON-CIRCULAR
aperture_diameter5.030 INCHES NOMINAL IN
bolt_hole_quantity4
outside_corner_radius0.620 INCHES NOMINAL IN
cross-sectional_thickness0.030 INCHES NOMINAL IN
NSN5330-01-241-6427
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 28838 ITEM 1 MFR: OEM ⚠ 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
•
OUTSIDE CORNER RADIUS: 0.620 INCHES NOMINAL IN
•
APERTURE DIAMETER: 5.030 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
HOLE DIAMETER: 0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.030 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE CORNER RADIUS0.620 INCHES NOMINAL IN
OVERALL WIDTH5.760 INCHES NOMINAL IN
APERTURE DIAMETER5.030 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
HOLE DIAMETER0.562 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.030 INCHES NOMINAL IN
OVERALL LENGTH5.760 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
28427Interchangeable
interchangeable cross-reference
interchangeable
852165Interchangeable
interchangeable cross-reference
interchangeable
09-6014Interchangeable
interchangeable cross-reference
interchangeable
895-30340 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
895-26980-11Interchangeable
interchangeable cross-reference
interchangeable
14237Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28838 ITEM 1?
28838 ITEM 1 is a GASKET.
What parts can replace 28838 ITEM 1?
There are 8 known substitutes for 28838 ITEM 1: 28427, 852165, 09-6014 and 5 more. Substitute compatibility should be verified for your specific system.
Is 28838 ITEM 1 still available?
28838 ITEM 1 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026