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PartsTable / COMPONENT / A1205D758
A1205D758 ✓ 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: FLANGED, seal_width: 0.743 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN, special_features: 5.004 IN. MAJOR OD OF SEAL IN, surface_treatment: CADMIUM OR ZINC CASE, housing_bore_diameter: 4.502 INCHES NOMINAL IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-741-1429, 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
A1205D758
NSN: 5330-00-741-1429
FSC: 5330
CAGE: 78500 — MERITOR HEAVY VEHICLE SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL CASE
case_styleFLANGED
seal_width0.743 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
special_features5.004 IN. MAJOR OD OF SEAL IN
surface_treatmentCADMIUM OR ZINC CASE
housing_bore_diameter4.502 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.250 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3600 FEET PER MINUTE FT
NSN5330-00-741-1429
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1205D758 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
•
SEAL WIDTH: 0.743 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 3.250 INCHES NOMINAL IN
•
CASE STYLE: FLANGED
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SURFACE TREATMENT: CADMIUM OR ZINC CASE
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.743 INCHES MINIMUM AND 0.804 INCHES MAXIMUM IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER3.250 INCHES NOMINAL IN
CASE STYLEFLANGED
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SURFACE TREATMENTCADMIUM OR ZINC CASE
SPECIAL FEATURES5.004 IN. MAJOR OD OF SEAL IN
MATERIALSTEEL CASE
HOUSING BORE DIAMETER4.502 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
MIL-E-1/1338Interchangeable
interchangeable cross-reference
interchangeable
6584Interchangeable
interchangeable cross-reference
interchangeable
157D1-0777Interchangeable
interchangeable cross-reference
interchangeable
10839Interchangeable
interchangeable cross-reference
interchangeable
5528Interchangeable
interchangeable cross-reference
interchangeable
936Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1205D758?
A1205D758 is a SEAL,PLAIN ENCASED.
What parts can replace A1205D758?
There are 20 known substitutes for A1205D758: MIL-E-1/1338, 6584, 157D1-0777 and 17 more. Substitute compatibility should be verified for your specific system.
Is A1205D758 still available?
A1205D758 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