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Technical Data Sheet
PartsTable / COMPONENT / 172MRK1
172MRK1 ✓ 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 RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC OVERALL, joint_type: BUTT RETAINER, center_hole_diameter: 3.675 INCHES NOMINAL IN, cross-sectional_height: 0.575 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-489-5985, 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
172MRK1
NSN: 5330-00-489-5985
FSC: 5330
CAGE: 05415 — LINDE LIFT TRUCK CORP. (USA)
SPECIFICATIONS
materialPLASTIC OVERALL
joint_typeBUTT RETAINER
center_hole_diameter3.675 INCHES NOMINAL IN
cross-sectional_height0.575 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
NSN5330-00-489-5985
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 172MRK1 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: PLASTIC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
JOINT TYPE: BUTT RETAINER
•
CROSS-SECTIONAL HEIGHT: 0.575 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 3.675 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
JOINT TYPEBUTT RETAINER
CROSS-SECTIONAL HEIGHT0.575 INCHES NOMINAL IN
CENTER HOLE DIAMETER3.675 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
193-6-1Interchangeable
interchangeable cross-reference
interchangeable
193-0006-001Interchangeable
interchangeable cross-reference
interchangeable
303918-1Interchangeable
interchangeable cross-reference
interchangeable
101-936PT1-936-1Interchangeable
interchangeable cross-reference
interchangeable
SM-C-414247Interchangeable
interchangeable cross-reference
interchangeable
A6370Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 172MRK1?
172MRK1 is a RETAINER,PACKING.
What parts can replace 172MRK1?
There are 11 known substitutes for 172MRK1: 193-6-1, 193-0006-001, 303918-1 and 8 more. Substitute compatibility should be verified for your specific system.
Is 172MRK1 still available?
172MRK1 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