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M17303CL1 TYB(ROTARY)/TYC 3/8SQ — Technical Data Sheet

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— · 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 MATERIAL is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE, cross-sectional_width: 0.375 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE, environmental_attribute_code: ASBESTOS ALTERNATIVE PRODUCTS. This part is cataloged in the Federal Logistics Information System under NSN 5330-01-387-6232, 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(ROTARY)/TYC 3/8SQ
NSN: 5330-01-387-6232
FSC: 5330
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE
cross-sectional_width0.375 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-387-6232
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M17303CL1 TYB(ROTARY)/TYC 3/8SQ 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
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
•
CROSS-SECTIONAL WIDTH: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
CROSS-SECTIONAL WIDTH0.375 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE
CROSS-SECTIONAL SHAPE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 43
13304-27InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PL1.5VCM-1 ITEM 66DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
999R0341 PIECEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PALMETTO 5000 1/2SQInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SYM1430-1-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
STYLE 49 3/16SQInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M17303CL1 TYB(ROTARY)/TYC 3/8SQ?
M17303CL1 TYB(ROTARY)/TYC 3/8SQ is a PACKING MATERIAL.
What parts can replace M17303CL1 TYB(ROTARY)/TYC 3/8SQ?
There are 43 known substitutes for M17303CL1 TYB(ROTARY)/TYC 3/8SQ: 13304-27, PL1.5VCM-1 ITEM 66D, 999R0341 PIECE and 40 more. Substitute compatibility should be verified for your specific system.
Is M17303CL1 TYB(ROTARY)/TYC 3/8SQ still available?
M17303CL1 TYB(ROTARY)/TYC 3/8SQ is currently cancelled.
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Last verified: October 2026