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Technical Data Sheet
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538151 ✓ 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 ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.850 INCHES NOMINAL IN, material: CELLULOSE AND RUBBER TOP RING, inside_diameter: 1.968 INCHES NOMINAL IN, outside_diameter: 2.750 INCHES NOMINAL IN, cross-sectional_shape_style: V TOP RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-529-6831, 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
538151
NSN: 5330-00-529-6831
FSC: 5330
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
height0.850 INCHES NOMINAL IN
materialCELLULOSE AND RUBBER TOP RING
inside_diameter1.968 INCHES NOMINAL IN
outside_diameter2.750 INCHES NOMINAL IN
intermediate_ring_quantity2
cross-sectional_shape_styleV TOP RING
NSN5330-00-529-6831
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 538151 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: V INTERMEDIATE RING
•
HEIGHT: 0.850 INCHES NOMINAL IN
•
MATERIAL: CELLULOSE AND RUBBER TOP RING
•
OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
INSIDE DIAMETER: 1.968 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLEV INTERMEDIATE RING
HEIGHT0.850 INCHES NOMINAL IN
MATERIALCELLULOSE AND RUBBER TOP RING
CROSS-SECTIONAL SHAPE STYLEV TOP RING
OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
MATERIALCELLULOSE AND RUBBER BOTTOM RING
CROSS-SECTIONAL SHAPE STYLEV BOTTOM RING
INSIDE DIAMETER1.968 INCHES NOMINAL IN
INTERMEDIATE RING QUANTITY2
MATERIALCELLULOSE AND RUBBER INTERMEDIATE RING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5123Interchangeable
interchangeable cross-reference
interchangeable
534972-1Interchangeable
interchangeable cross-reference
interchangeable
250-DCZInterchangeable
interchangeable cross-reference
interchangeable
ANSI C78.1-78(F40T12/CW/RS)Interchangeable
interchangeable cross-reference
interchangeable
F40CWInterchangeable
interchangeable cross-reference
interchangeable
UA1650-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 538151?
538151 is a PACKING ASSEMBLY.
What parts can replace 538151?
There are 10 known substitutes for 538151: 5123, 534972-1, 250-DCZ and 7 more. Substitute compatibility should be verified for your specific system.
Is 538151 still available?
538151 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