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PartsTable / COMPONENT / STYLE 1760 1/2SQ
STYLE 1760 1/2SQ ✓ 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 STYLE 1760 1/2SQ 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 5330-01-389-8701, 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
STYLE 1760 1/2SQ
NSN: 5330-01-389-8701
FSC: 5330
CAGE: 71431 — A W CHESTERTON CO DIV SEALING DEVICE DIVISION (USA)
SPECIFICATIONS
Part NumberSTYLE 1760 1/2SQ
NSN5330-01-389-8701
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STYLE 1760 1/2SQ 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 HEIGHT: 0.500 INCHES NOMINAL IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
CROSS-SECTIONAL WIDTH: 0.500 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESNON-ASBESTOS REPLACEMENT FOR 1/2 INCH SQUARE MIL-P-17303 CLASS 1, TYPE B(RECIPROCATING ROD SERVICE) OR TYPE D ASBESTOS PACKING IN
CROSS-SECTIONAL HEIGHT0.500 INCHES NOMINAL IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
CROSS-SECTIONAL WIDTH0.500 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
999R0341 PIECEInterchangeable
interchangeable cross-reference
interchangeable
PALMETTO 5000 1/2SQInterchangeable
interchangeable cross-reference
interchangeable
SYM1430-1-2Interchangeable
interchangeable cross-reference
interchangeable
STYLE 49 3/16SQInterchangeable
interchangeable cross-reference
interchangeable
101A247ABPC1Interchangeable
interchangeable cross-reference
interchangeable
STYLE CL 102 3/16SQInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STYLE 1760 1/2SQ?
STYLE 1760 1/2SQ is a STYLE 1760 1/2SQ.
What parts can replace STYLE 1760 1/2SQ?
There are 35 known substitutes for STYLE 1760 1/2SQ: 999R0341 PIECE, PALMETTO 5000 1/2SQ, SYM1430-1-2 and 32 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STYLE 1760 1/2SQ?
STYLE 1760 1/2SQ is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-389-8701. 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