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S30571 ✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.312 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 1.124 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-579-1285, 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
S30571
NSN: 5330-00-579-1285
FSC: 5330
CAGE: 076M6 — AMZ ALABAMA INC. (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.312 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter1.124 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter0.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-579-1285
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S30571 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
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
MATERIAL: STEEL CASE
•
ACCOMMODATED SHAFT DIAMETER: 0.625 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 1.124 INCHES NOMINAL IN
•
SEAL WIDTH: 0.312 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SURFACE TREATMENT: CADMIUM CASE
•
SEALING ELEMENT STYLE: ANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
MATERIALSTEEL CASE
ACCOMMODATED SHAFT DIAMETER0.625 INCHES NOMINAL IN
HOUSING BORE DIAMETER1.124 INCHES NOMINAL IN
SEAL WIDTH0.312 INCHES NOMINAL IN
CASE STYLESQUARE
SURFACE TREATMENTCADMIUM CASE
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
FP1322Interchangeable
interchangeable cross-reference
interchangeable
CP-505Interchangeable
interchangeable cross-reference
interchangeable
FB1322Interchangeable
interchangeable cross-reference
interchangeable
6903Interchangeable
interchangeable cross-reference
interchangeable
MILG10327BTYPE2CLASSAInterchangeable
interchangeable cross-reference
interchangeable
5LAY1102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S30571?
S30571 is a SEAL,PLAIN ENCASED.
What parts can replace S30571?
There are 21 known substitutes for S30571: FP1322, CP-505, FB1322 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S30571?
S30571 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-579-1285. 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