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Technical Data Sheet
541538 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 110 OVERALL, outside_diameter: 0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, fsc_application_data: ENGINE,TURBOJET,AIRCRAFT, cross-sectional_thickness: 0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-531-7275, 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
541538
NSN: 5340-00-531-7275
FSC: 5340
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialCOPPER ALLOY 110 OVERALL
outside_diameter0.425 INCHES MINIMUM AND 0.435 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter0.255 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
fsc_application_dataENGINE,TURBOJET,AIRCRAFT
cross-sectional_thickness0.048 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
cross-sectional_shape_styleRECTANGULAR METAL
material_document_and_classificationAMS 4500 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-531-7275
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 541538 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
OUTSIDE DIAMETER: 3.500 INCHES NOMINAL IN
MATERIAL THICKNESS: 0.134 INCHES NOMINAL IN
MATERIAL: STEEL
RADIUS: 6.000 INCHES NOMINAL IN
STYLE DESIGNATOR: CONCAVE
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633, COMP FS1010-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER3.500 INCHES NOMINAL IN
MATERIAL THICKNESS0.134 INCHES NOMINAL IN
MATERIALSTEEL
RADIUS6.000 INCHES NOMINAL IN
STYLE DESIGNATORCONCAVE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633, COMP FS1010-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
A-A-52420-15Interchangeable
interchangeable cross-reference
interchangeable
140089Interchangeable
interchangeable cross-reference
interchangeable
WPP1677Interchangeable
interchangeable cross-reference
interchangeable
S703Interchangeable
interchangeable cross-reference
interchangeable
172531Interchangeable
interchangeable cross-reference
interchangeable
X2247Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 541538?
541538 is a GASKET.
What parts can replace 541538?
There are 32 known substitutes for 541538: A-A-52420-15, 140089, WPP1677 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 541538?
541538 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-531-7275. This indicates validated use in U.S. government and defense supply chains.
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