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PartsTable / COMPONENT / A13028
A13028 ✓ 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 BELL CRANK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, hole_diameter: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 7.812 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 3.281 INCHES NOMINAL IN, bolt_hole_quantity: 10. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-2514, 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
A13028
NSN: 5330-00-641-2514
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
hole_diameter0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter7.812 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter3.281 INCHES NOMINAL IN
bolt_hole_quantity10
bolt_circle_diameter6.438 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-641-2514
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A13028 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
•
MATERIAL: STEEL OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 7.812 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BOLT HOLE QUANTITY: 10
•
APERTURE DIAMETER: 3.281 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER7.812 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
BOLT HOLE QUANTITY10
APERTURE DIAMETER3.281 INCHES NOMINAL IN
HOLE DIAMETER0.688 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
BOLT CIRCLE DIAMETER6.438 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR METAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
7328Interchangeable
interchangeable cross-reference
interchangeable
3C136Interchangeable
interchangeable cross-reference
interchangeable
328MInterchangeable
interchangeable cross-reference
interchangeable
730958-8REVDInterchangeable
interchangeable cross-reference
interchangeable
1302-8Interchangeable
interchangeable cross-reference
interchangeable
1302J8AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A13028?
A13028 is a BELL CRANK.
What parts can replace A13028?
There are 14 known substitutes for A13028: 7328, 3C136, 328M and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A13028?
A13028 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-641-2514. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026