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PartsTable / COMPONENT / 34228-503 ITEM 5
34228-503 ITEM 5 ✓ 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 AND NICKEL OVERALL, outside_diameter: 10.750 INCHES NOMINAL IN, special_features: 0.001 IN. MIN 0.002 IN.

MAX HOLES ON ID IN, style_designator: CIRCULAR, aperture_diameter: 10.500 INCHES NOMINAL IN, surface_treatment: SILVER OVERALL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-588-0268, 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
34228-503 ITEM 5
NSN: 5330-00-588-0268
FSC: 5330
CAGE: 99517 — VACCO INDUSTRIES (USA)
SPECIFICATIONS
materialCOPPER AND NICKEL OVERALL
outside_diameter10.750 INCHES NOMINAL IN
special_features0.001 IN. MIN 0.002 IN. MAX HOLES ON ID IN
style_designatorCIRCULAR
aperture_diameter10.500 INCHES NOMINAL IN
surface_treatmentSILVER OVERALL
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleHOLLOW
NSN5330-00-588-0268
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 34228-503 ITEM 5 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
•
SURFACE TREATMENT: SILVER OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: HOLLOW
•
APERTURE DIAMETER: 10.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 10.750 INCHES NOMINAL IN
•
MATERIAL: COPPER AND NICKEL OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTSILVER OVERALL
CROSS-SECTIONAL SHAPE STYLEHOLLOW
SPECIAL FEATURES0.001 IN. MIN 0.002 IN. MAX HOLES ON ID IN
APERTURE DIAMETER10.500 INCHES NOMINAL IN
OUTSIDE DIAMETER10.750 INCHES NOMINAL IN
MATERIALCOPPER AND NICKEL OVERALL
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
A1405B2Interchangeable
interchangeable cross-reference
interchangeable
43-959Interchangeable
interchangeable cross-reference
interchangeable
AA753Interchangeable
interchangeable cross-reference
interchangeable
40-153Interchangeable
interchangeable cross-reference
interchangeable
12524Interchangeable
interchangeable cross-reference
interchangeable
1F4516Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 34228-503 ITEM 5?
34228-503 ITEM 5 is a GASKET.
What parts can replace 34228-503 ITEM 5?
There are 11 known substitutes for 34228-503 ITEM 5: A1405B2, 43-959, AA753 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 34228-503 ITEM 5?
34228-503 ITEM 5 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-588-0268. 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