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Technical Data Sheet
PartsTable / COMPONENT / 74052540
74052540 ✓ 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 special_features: SEALING ELEMENT MATERIAL:ANY ACCEPTABLE;. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-757-1680, 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
74052540
NSN: 5330-00-757-1680
FSC: 5330
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
special_featuresSEALING ELEMENT MATERIAL:ANY ACCEPTABLE;
NSN5330-00-757-1680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 74052540 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
•
PERIPHERAL DIAMETER: 1.050 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
•
CROSS-SECTIONAL THICKNESS: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: CUP
•
CROSS-SECTIONAL HEIGHT: 0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
CENTER HOLE DIAMETER: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER1.050 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
CROSS-SECTIONAL THICKNESS0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLECUP
CROSS-SECTIONAL HEIGHT0.235 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
CENTER HOLE DIAMETER0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
MATERIALRUBBER SYNTHETIC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
S1174587Interchangeable
interchangeable cross-reference
interchangeable
1174587Interchangeable
interchangeable cross-reference
interchangeable
569087-675Interchangeable
interchangeable cross-reference
interchangeable
4052540Interchangeable
interchangeable cross-reference
interchangeable
2682-7Interchangeable
interchangeable cross-reference
interchangeable
SKA21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 74052540?
74052540 is a PACKING,PREFORMED.
What parts can replace 74052540?
There are 21 known substitutes for 74052540: S1174587, 1174587, 569087-675 and 18 more. Substitute compatibility should be verified for your specific system.
Is 74052540 still available?
74052540 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