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PartsTable / COMPONENT / M17303CL1 TYB(RECIPR)/TYD 5/8SQ
M17303CL1 TYB(RECIPR)/TYD 5/8SQ ✓ 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 M17303CL1 TYB(RECIPR)/TYD 5/8SQ 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 5330-01-388-0982, 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
M17303CL1 TYB(RECIPR)/TYD 5/8SQ
NSN: 5330-01-388-0982
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM17303CL1 TYB(RECIPR)/TYD 5/8SQ
NSN5330-01-388-0982
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M17303CL1 TYB(RECIPR)/TYD 5/8SQ 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 SHAPE STYLE: SQUARE
•
CROSS-SECTIONAL HEIGHT: 0.625 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.625 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL SHAPE STYLESQUARE
CROSS-SECTIONAL HEIGHT0.625 INCHES NOMINAL IN
SPECIAL FEATURESNON-ASBESTOS REPLACEMENT FOR 5/8 IN SQ MIL-P-17303 CLAS 1, TYPE B(RECIPROCATING ROD SERVICE) OR TYPE D ASBESTOS PACKING; FOR ROTARY APPLICATIONS USE NON-ASBESTOS NSN 5330-01-388-1003 IN
CROSS-SECTIONAL WIDTH0.625 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
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 M17303CL1 TYB(RECIPR)/TYD 5/8SQ?
M17303CL1 TYB(RECIPR)/TYD 5/8SQ is a M17303CL1 TYB(RECIPR)/TYD 5/8SQ.
What parts can replace M17303CL1 TYB(RECIPR)/TYD 5/8SQ?
There are 22 known substitutes for M17303CL1 TYB(RECIPR)/TYD 5/8SQ: 999R0341 PIECE, PALMETTO 5000 1/2SQ, SYM1430-1-2 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M17303CL1 TYB(RECIPR)/TYD 5/8SQ?
M17303CL1 TYB(RECIPR)/TYD 5/8SQ is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-388-0982. 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