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Technical Data Sheet
753 490 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, peripheral_diameter: 0.514 INCHES NOMINAL IN, center_hole_diameter: 0.2885 INCHES MINIMUM AND 0.3035 INCHES MAXIMUM IN, cross-sectional_height: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR, material_document_and_classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-752-8315, 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
753 490
NSN: 5330-00-752-8315
FSC: 5330
CAGE: 77294 — PIPER INDUSTRIAL MANUFACTURING COMPANY, LLC DIV PIPER INDUSTRIAL MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialLEATHER OVERALL
peripheral_diameter0.514 INCHES NOMINAL IN
center_hole_diameter0.2885 INCHES MINIMUM AND 0.3035 INCHES MAXIMUM IN
cross-sectional_height0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-752-8315
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 753 490 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
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: LEATHER OVERALL
CENTER HOLE DIAMETER: 0.2885 INCHES MINIMUM AND 0.3035 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
PERIPHERAL DIAMETER: 0.514 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALLEATHER OVERALL
CENTER HOLE DIAMETER0.2885 INCHES MINIMUM AND 0.3035 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN
PERIPHERAL DIAMETER0.514 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
S1Interchangeable
interchangeable cross-reference
interchangeable
LS403Interchangeable
interchangeable cross-reference
interchangeable
L915-12Interchangeable
interchangeable cross-reference
interchangeable
7735972Interchangeable
interchangeable cross-reference
interchangeable
X9625Interchangeable
interchangeable cross-reference
interchangeable
2198838Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 753 490?
753 490 is a RETAINER,PACKING.
What parts can replace 753 490?
There are 24 known substitutes for 753 490: S1, LS403, L915-12 and 21 more. Substitute compatibility should be verified for your specific system.
Is 753 490 still available?
753 490 is currently cancelled.
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