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Technical Data Sheet
PartsTable / COMPONENT / 142A-SIZE3/4-BRASS
142A-SIZE3/4-BRASS ✓ 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 142A-SIZE3/4-BRASS is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-5582, 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
142A-SIZE3/4-BRASS
NSN: 5340-00-205-5582
FSC: 5340
CAGE: 76786 — BUCKLES INTERNATIONAL, INC. (USA)
SPECIFICATIONS
Part Number142A-SIZE3/4-BRASS
NSN5340-00-205-5582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 142A-SIZE3/4-BRASS 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
•
MATERIAL: COPPER ALLOY HOOK
•
HOOK STYLE DESIGNATOR: SPRING BLADE
•
DESIGN TYPE: FIXED
•
END POSITION: CONNECTION END AT RIGHT ANGLE TO PLANE OF HOOK END
•
RUBBER COVERED FEATURE: NOT INCLUDED
•
UNATTACHED RING: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY HOOK
MATERIALCOPPER ALLOY 511 BLADE
MATERIALCOPPER ALLOY CONNECTION END
HOOK STYLE DESIGNATORSPRING BLADE
DESIGN TYPEFIXED
END POSITIONCONNECTION END AT RIGHT ANGLE TO PLANE OF HOOK END
RUBBER COVERED FEATURENOT INCLUDED
UNATTACHED RINGNOT INCLUDED
INSIDE LENGTH1.090 INCHES NOMINAL IN
INSIDE WIDTH0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
142AUpgraded Successor
successor cross-reference
successor
CR77045PC36Interchangeable
interchangeable cross-reference
interchangeable
40216Interchangeable
interchangeable cross-reference
interchangeable
SDD8701-36Interchangeable
interchangeable cross-reference
interchangeable
143ADWG1031AB20R142ADWG8100C2Interchangeable
interchangeable cross-reference
interchangeable
143AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 142A-SIZE3/4-BRASS?
142A-SIZE3/4-BRASS is a 142A-SIZE3/4-BRASS.
What parts can replace 142A-SIZE3/4-BRASS?
There are 18 known substitutes for 142A-SIZE3/4-BRASS: 142A, CR77045PC36, 40216 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 142A-SIZE3/4-BRASS?
142A-SIZE3/4-BRASS is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-205-5582. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026