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PartsTable / COMPONENT / A394X71
A394X71 ✓ 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: 4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM IN, center_hole_diameter: 4.218 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN, cross-sectional_height: 0.052 INCHES MINIMUM AND 0.072 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 5330-00-531-4601, 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
A394X71
NSN: 5330-00-531-4601
FSC: 5330
CAGE: 0E9N0 — DAVID BROWN HYDRAULICS INC DBA HYDRECO (USA)
SPECIFICATIONS
materialLEATHER OVERALL
peripheral_diameter4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM IN
center_hole_diameter4.218 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
cross-sectional_height0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-531-4601
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A394X71 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: LEATHER OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CROSS-SECTIONAL HEIGHT: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.218 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALLEATHER OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
PERIPHERAL DIAMETER4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.218 INCHES MINIMUM AND 4.280 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
582813Interchangeable
interchangeable cross-reference
interchangeable
MILR5521Interchangeable
interchangeable cross-reference
interchangeable
AN6246PC23Interchangeable
interchangeable cross-reference
interchangeable
1283-218Interchangeable
interchangeable cross-reference
interchangeable
P793Interchangeable
interchangeable cross-reference
interchangeable
582838Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A394X71?
A394X71 is a RETAINER,PACKING.
What parts can replace A394X71?
There are 20 known substitutes for A394X71: 582813, MILR5521, AN6246PC23 and 17 more. Substitute compatibility should be verified for your specific system.
Is A394X71 still available?
A394X71 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026