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Technical Data Sheet
PartsTable / COMPONENT / 3-57709-1
3-57709-1 ✓ 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 PLATE,STRUCTURAL,AIRCRAFT is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL CORROSION RESISTING OVERALL, outside_diameter: 2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.375 INCHES NOMINAL2.375 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-001-2037, 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
3-57709-1
NSN: 5330-00-001-2037
FSC: 5330
CAGE: 80045 — L3HARRIS CINCINNATI ELECTRONICS CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL CORROSION RESISTING OVERALL
outside_diameter2.875 INCHES NOMINAL2.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.375 INCHES NOMINAL2.375 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
nondefinitive_spec/std_data1 TYPE
NSN5330-00-001-2037
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3-57709-1 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
•
PERIPHERAL DIAMETER: 10.690 INCHES MINIMUM AND 10.760 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: D
•
CROSS-SECTIONAL HEIGHT: 0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER SILICONE CLASS Q OVERALL
•
CENTER HOLE DIAMETER: 10.370 INCHES MINIMUM AND 10.430 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER10.690 INCHES MINIMUM AND 10.760 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLED
CROSS-SECTIONAL HEIGHT0.170 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-3304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER SILICONE CLASS Q OVERALL
CENTER HOLE DIAMETER10.370 INCHES MINIMUM AND 10.430 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
3577-0-91Interchangeable
interchangeable cross-reference
interchangeable
3577-0-62Interchangeable
interchangeable cross-reference
interchangeable
8BV2301Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-57709-1?
3-57709-1 is a PLATE,STRUCTURAL,AIRCRAFT.
What parts can replace 3-57709-1?
There are 3 known substitutes for 3-57709-1: 3577-0-91, 3577-0-62, 8BV2301. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-57709-1?
3-57709-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-001-2037. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026