PartsTable / COMPONENT / 165949R91
165949R91
✓ 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 SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: STEEL CASE, case_style: SQUARE, seal_width: 0.500 INCHES NOMINAL IN, outside_diameter: 3.505 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 3.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-178-2193, 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
165949R91
NSN: 5330-00-178-2193 FSC: 5330 CAGE: 89346 — NAVISTAR INTL CORP TRUCK BR OHIO PLANT (USA)
SPECIFICATIONS
material STEEL CASE case_style SQUARE seal_width 0.500 INCHES NOMINAL IN outside_diameter 3.505 INCHES NOMINAL IN surface_treatment PLASTIC CASE housing_bore_diameter 3.500 INCHES NOMINAL IN sealing_element_style ANGULAR accommodated_shaft_diameter 2.625 INCHES NOMINAL IN accommodated_shaft_maximum_rated_speed 2000 FEET PER MINUTE FT NSN 5330-00-178-2193
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION
ID: —
CROSS-SECTION
CS: —
SPECIFICATION
Material: —
Durometer: —
Temp: —
PN: 165949R91
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
• SURFACE TREATMENT: PLASTIC CASE
• OUTSIDE DIAMETER: 3.505 INCHES NOMINAL IN
• SEAL WIDTH: 0.500 INCHES NOMINAL IN
• SEALING ELEMENT STYLE: ANGULAR
• ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
• HOUSING BORE DIAMETER: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT PLASTIC CASE OUTSIDE DIAMETER 3.505 INCHES NOMINAL IN SEAL WIDTH 0.500 INCHES NOMINAL IN SEALING ELEMENT STYLE ANGULAR CASE STYLE SQUARE ACCOMMODATED SHAFT MAXIMUM RATED SPEED 2000 FEET PER MINUTE FT MATERIAL STEEL CASE HOUSING BORE DIAMETER 3.500 INCHES NOMINAL IN ACCOMMODATED SHAFT DIAMETER 2.625 INCHES NOMINAL IN MATERIAL RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
26178 Interchangeable interchangeable cross-reference
interchangeable
FUB662 Interchangeable interchangeable cross-reference
interchangeable
2553Q Interchangeable interchangeable cross-reference
interchangeable
2-6189 Interchangeable interchangeable cross-reference
interchangeable
A6165 Interchangeable interchangeable cross-reference
interchangeable
666096-416 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 165949R91?
165949R91 is a SEAL,PLAIN ENCASED.
What parts can replace 165949R91?
There are 12 known substitutes for 165949R91: 26178, FUB662, 2553Q and 9 more. Substitute compatibility should be verified for your specific system.
Is 165949R91 still available?
165949R91 is currently cancelled.
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