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Technical Data Sheet
PartsTable / O-RING / 757042
757042 ✓ 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 TUBE ASSEMBLY,METAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY TUBING, design_form: STRAIGHT, overall_length: 10.560 INCHES NOMINAL IN, bolt_hole_diameter: 0.138 INCHES NOMINAL SINGLE END IN, bolt_hole_quantity: 4 SINGLE END, bolt_circle_diameter: 2.438 INCHES NOMINAL SINGLE END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-400-8480, 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
757042
NSN: 5331-00-400-8480
FSC: 5331 — O-RING
CAGE: 00912 — AKRON BRASS COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY TUBING
design_formSTRAIGHT
overall_length10.560 INCHES NOMINAL IN
bolt_hole_diameter0.138 INCHES NOMINAL SINGLE END IN
bolt_hole_quantity4 SINGLE END
bolt_circle_diameter2.438 INCHES NOMINAL SINGLE END IN
NSN5331-00-400-8480
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 757042 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
•
OUTSIDE DIAMETER: 0.879 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
CENTER HOLE DIAMETER: 0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.879 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
CENTER HOLE DIAMETER0.734 INCHES MINIMUM AND 0.744 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
0311-0059Interchangeable
interchangeable cross-reference
interchangeable
TYPE 4E SIZE 2Interchangeable
interchangeable cross-reference
interchangeable
2-AB-4Interchangeable
interchangeable cross-reference
interchangeable
2-018 N674-7Interchangeable
interchangeable cross-reference
interchangeable
2507294-11Interchangeable
interchangeable cross-reference
interchangeable
2-018 N674-70Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 757042?
757042 is a TUBE ASSEMBLY,METAL.
What parts can replace 757042?
There are 14 known substitutes for 757042: 0311-0059, TYPE 4E SIZE 2, 2-AB-4 and 11 more. Substitute compatibility should be verified for your specific system.
Is 757042 still available?
757042 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