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Technical Data Sheet
PartsTable / COMPONENT / A02ES304-1
A02ES304-1 ✓ 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 BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE BODY, body_height: 2.840 INCHES NOMINAL IN, overall_height: 3.120 INCHES NOMINAL IN, style_designator: THRU-HOLE, EXPANDABLE, material_thickness: 0.060 INCHES NOMINAL IN, fsc_application_data: ANTENNA,RADIO,AIRBORNE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-043-2722, 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
A02ES304-1
NSN: 5340-00-043-2722
FSC: 5340
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SILICONE BODY
body_height2.840 INCHES NOMINAL IN
overall_height3.120 INCHES NOMINAL IN
style_designatorTHRU-HOLE, EXPANDABLE
material_thickness0.060 INCHES NOMINAL IN
fsc_application_dataANTENNA,RADIO,AIRBORNE
opening_inside_diameter0.560 INCHES NOMINAL IN
hazardous_locations/environmental_protectionWATERTIGHT-NEMA TYPE 4
NSN5340-00-043-2722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A02ES304-1 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
•
BODY HEIGHT: 2.840 INCHES NOMINAL IN
•
OPENING INSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: WATERTIGHT-NEMA TYPE 4
•
MATERIAL: RUBBER SILICONE BODY
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
FSC APPLICATION DATA: ANTENNA,RADIO,AIRBORNE
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY HEIGHT2.840 INCHES NOMINAL IN
OPENING INSIDE DIAMETER0.560 INCHES NOMINAL IN
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONWATERTIGHT-NEMA TYPE 4
MATERIALRUBBER SILICONE BODY
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
FSC APPLICATION DATAANTENNA,RADIO,AIRBORNE
OVERALL HEIGHT3.120 INCHES NOMINAL IN
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
45363-2Interchangeable
interchangeable cross-reference
interchangeable
BC1-0625Interchangeable
interchangeable cross-reference
interchangeable
C62-4Interchangeable
interchangeable cross-reference
interchangeable
10625Interchangeable
interchangeable cross-reference
interchangeable
9071936Interchangeable
interchangeable cross-reference
interchangeable
110S 1-13/16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A02ES304-1?
A02ES304-1 is a BOOT,DUST AND MOISTURE SEAL.
What parts can replace A02ES304-1?
There are 20 known substitutes for A02ES304-1: 45363-2, BC1-0625, C62-4 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A02ES304-1?
A02ES304-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-043-2722. 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