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Technical Data Sheet
PartsTable / COMPONENT / 267616R91
267616R91 ✓ 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: RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN, outside_diameter: 4.881 INCHES NOMINAL IN, surface_treatment: PLASTIC CASE, housing_bore_diameter: 4.8745 INCHES MINIMUM AND 4.8775 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-676-8226, 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
267616R91
NSN: 5330-00-676-8226
FSC: 5330
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
outside_diameter4.881 INCHES NOMINAL IN
surface_treatmentPLASTIC CASE
housing_bore_diameter4.8745 INCHES MINIMUM AND 4.8775 INCHES MAXIMUM IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.625 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-676-8226
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 267616R91 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
•
ACCOMMODATED SHAFT DIAMETER: 3.625 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 2000 FEET PER MINUTE FT
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SEAL WIDTH: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PLASTIC CASE
•
HOUSING BORE DIAMETER: 4.8745 INCHES MINIMUM AND 4.8775 INCHES MAXIMUM IN
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT DIAMETER3.625 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
SEAL WIDTH0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
HOUSING BORE DIAMETER4.8745 INCHES MINIMUM AND 4.8775 INCHES MAXIMUM IN
CASE STYLESQUARE
OUTSIDE DIAMETER4.881 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
3631-D-91Interchangeable
interchangeable cross-reference
interchangeable
11-423-4-01Interchangeable
interchangeable cross-reference
interchangeable
4535-D-1Interchangeable
interchangeable cross-reference
interchangeable
E37933-174PC3Interchangeable
interchangeable cross-reference
interchangeable
290300PC3Interchangeable
interchangeable cross-reference
interchangeable
36314Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 267616R91?
267616R91 is a SEAL,PLAIN ENCASED.
What parts can replace 267616R91?
There are 9 known substitutes for 267616R91: 3631-D-91, 11-423-4-01, 4535-D-1 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 267616R91?
267616R91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-676-8226. 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