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Technical Data Sheet
PartsTable / COMPONENT / C-1065 1/2 SQ
C-1065 1/2 SQ ✓ 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 C-1065 1/2 SQ is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-359-1535, 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
C-1065 1/2 SQ
NSN: 5330-01-359-1535
FSC: 5330
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
Part NumberC-1065 1/2 SQ
NSN5330-01-359-1535
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C-1065 1/2 SQ 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 WIDTH: 0.500 INCHES NOMINAL IN
•
TEMP RATING: 500.0 FAHRENHEIT DEGF
•
LENGTH: 7.000 FEET NOMINAL FT
•
CROSS-SECTIONAL HEIGHT: 0.500 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL WIDTH0.500 INCHES NOMINAL IN
TEMP RATING500.0 FAHRENHEIT DEGF
LENGTH7.000 FEET NOMINAL FT
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
SPECIAL FEATURESBOX "A",7 FEET LENGTH FT
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 36
STYLE 49 3/16SQInterchangeable
interchangeable cross-reference
interchangeable
101A247ABPC1Interchangeable
interchangeable cross-reference
interchangeable
STYLE CL 102 3/16SQInterchangeable
interchangeable cross-reference
interchangeable
M17303CL1 TYB(ROTARY)/TYC 3/4SQInterchangeable
interchangeable cross-reference
interchangeable
M24790IA.750Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-24790Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-1065 1/2 SQ?
C-1065 1/2 SQ is a C-1065 1/2 SQ.
What parts can replace C-1065 1/2 SQ?
There are 36 known substitutes for C-1065 1/2 SQ: STYLE 49 3/16SQ, 101A247ABPC1, STYLE CL 102 3/16SQ and 33 more. Substitute compatibility should be verified for your specific system.
Is C-1065 1/2 SQ still available?
C-1065 1/2 SQ 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