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Technical Data Sheet
PartsTable / COMPONENT / 61051K
61051K ✓ 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: 0.438 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN, temp_rating: -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, special_features: WITH PROTECTIVE INNER CASE, surface_treatment: CADMIUM CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-222-0028, 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
61051K
NSN: 5330-00-222-0028
FSC: 5330
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL CASE
case_styleSQUARE
seal_width0.438 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
temp_rating-40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
special_featuresWITH PROTECTIVE INNER CASE
surface_treatmentCADMIUM CASE
housing_bore_diameter4.499 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter3.312 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed3500 FEET PER MINUTE FT
NSN5330-00-222-0028
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 61051K 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 MAXIMUM RATED SPEED: 3500 FEET PER MINUTE FT
•
TEMP RATING: -40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.312 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
SURFACE TREATMENT: CADMIUM CASE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3500 FEET PER MINUTE FT
TEMP RATING-40.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.312 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
MATERIALSTEEL CASE
SPECIAL FEATURESWITH PROTECTIVE INNER CASE
SURFACE TREATMENTCADMIUM CASE
SEALING ELEMENT STYLEANGULAR
SEAL WIDTH0.438 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
610R1-1Interchangeable
interchangeable cross-reference
interchangeable
6105-1Interchangeable
interchangeable cross-reference
interchangeable
3105Interchangeable
interchangeable cross-reference
interchangeable
110961Interchangeable
interchangeable cross-reference
interchangeable
B-110961Interchangeable
interchangeable cross-reference
interchangeable
13153105-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 61051K?
61051K is a SEAL,PLAIN ENCASED.
What parts can replace 61051K?
There are 17 known substitutes for 61051K: 610R1-1, 6105-1, 3105 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 61051K?
61051K is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-222-0028. 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