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Technical Data Sheet
PartsTable / COMPONENT / 18576-1
18576-1 ✓ 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 FILTER,AIR,ELECTROSTATIC is a the manufacturer industrial component. Key specifications include material: STEEL, design_type: SOLID, end_diameter: 0.2300 INCHES NOMINAL IN, bore_diameter: 0.1250 INCHES NOMINAL IN, overall_height: 0.8100 INCHES NOMINAL IN, style_designator: SEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-396-4612, 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
18576-1
NSN: 5340-00-396-4612
FSC: 5340
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL
design_typeSOLID
end_diameter0.2300 INCHES NOMINAL IN
bore_diameter0.1250 INCHES NOMINAL IN
overall_height0.8100 INCHES NOMINAL IN
style_designatorSEAT
first_step_diameter0.7480 INCHES NOMINAL IN
distance_from_end_to_first_step0.7500 INCHES NOMINAL IN
NSN5340-00-396-4612
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 18576-1 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
•
DESIGN TYPE: SOLID
•
DISTANCE FROM END TO FIRST STEP: 0.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEAT
•
END DIAMETER: 0.2300 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
BORE DIAMETER: 0.1250 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.7480 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPESOLID
DISTANCE FROM END TO FIRST STEP0.7500 INCHES NOMINAL IN
STYLE DESIGNATORSEAT
END DIAMETER0.2300 INCHES NOMINAL IN
MATERIALSTEEL
BORE DIAMETER0.1250 INCHES NOMINAL IN
OVERALL HEIGHT0.8100 INCHES NOMINAL IN
FIRST STEP DIAMETER0.7480 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
18576Interchangeable
interchangeable cross-reference
interchangeable
18576-1Interchangeable
interchangeable cross-reference
interchangeable
1001330-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18576-1?
18576-1 is a FILTER,AIR,ELECTROSTATIC.
What parts can replace 18576-1?
There are 3 known substitutes for 18576-1: 18576, 18576-1, 1001330-003. Substitute compatibility should be verified for your specific system.
What is the NSN for 18576-1?
18576-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-396-4612. 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