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Technical Data Sheet
PartsTable / COMPONENT / 8527749
8527749 ✓ 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 PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include angle: 60.0 DEGREES NOMINAL, material: RUBBER SYNTHETIC OVERALL, center_hole_diameter: 2.250 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: DELTA, cross_section_outside_diameter: 2.562 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-353-2901, 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
8527749
NSN: 5330-00-353-2901
FSC: 5330
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
angle60.0 DEGREES NOMINAL
materialRUBBER SYNTHETIC OVERALL
center_hole_diameter2.250 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleDELTA
cross_section_outside_diameter2.562 INCHES NOMINAL IN
NSN5330-00-353-2901
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8527749 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 HEIGHT: 0.250 INCHES NOMINAL IN
•
ANGLE: 60.0 DEGREES NOMINAL
•
CROSS SECTION OUTSIDE DIAMETER: 2.562 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: DELTA
•
CENTER HOLE DIAMETER: 2.250 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
ANGLE60.0 DEGREES NOMINAL
CROSS SECTION OUTSIDE DIAMETER2.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEDELTA
CENTER HOLE DIAMETER2.250 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
36324Interchangeable
interchangeable cross-reference
interchangeable
8672824Interchangeable
interchangeable cross-reference
interchangeable
MA-12 NSL 2-3-4Interchangeable
interchangeable cross-reference
interchangeable
A-42437 PIECE 11Interchangeable
interchangeable cross-reference
interchangeable
A-49148 PIECE 10Interchangeable
interchangeable cross-reference
interchangeable
SD2794Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8527749?
8527749 is a PACKING,PREFORMED.
What parts can replace 8527749?
There are 10 known substitutes for 8527749: 36324, 8672824, MA-12 NSL 2-3-4 and 7 more. Substitute compatibility should be verified for your specific system.
Is 8527749 still available?
8527749 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026