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A02ES304-1 — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A02ES304-1: BOOT,DUST AND MOISTURE SEAL.

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 part is cataloged in the U.S.

Government catalog 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 — Hardware, Commercial
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
•
FSC APPLICATION DATA: ANTENNA,RADIO,AIRBORNE
•
OPENING INSIDE DIAMETER: 0.560 INCHES NOMINAL IN
•
BODY HEIGHT: 2.840 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THRU-HOLE, EXPANDABLE
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
MATERIAL: RUBBER SILICONE BODY
•
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTION: WATERTIGHT-NEMA TYPE 4
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.120 INCHES NOMINAL IN
FSC APPLICATION DATAANTENNA,RADIO,AIRBORNE
OPENING INSIDE DIAMETER0.560 INCHES NOMINAL IN
BODY HEIGHT2.840 INCHES NOMINAL IN
STYLE DESIGNATORTHRU-HOLE, EXPANDABLE
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
MATERIALRUBBER SILICONE BODY
HAZARDOUS LOCATIONS/ENVIRONMENTAL PROTECTIONWATERTIGHT-NEMA TYPE 4
SUBSTITUTES & CROSS-REFERENCES 1
106-25Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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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 is 1 known substitute for A02ES304-1: 106-25. Substitute compatibility should be verified for your specific system.
What is the NSN for A02ES304-1?
A02ES304-1 is cataloged in the U.S. Government catalog under NSN 5340-00-043-2722. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.