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PartsTable / COMPONENT / 1756016
1756016 ✓ 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: LEATHER SEALING ELEMENT, case_style: SQUARE, seal_width: 0.468 INCHES NOMINAL IN, surface_treatment: CADMIUM OR ZINC CASE, housing_bore_diameter: 2.870 INCHES NOMINAL IN, sealing_element_style: ANGULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-559-3680, 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
1756016
NSN: 5330-00-559-3680
FSC: 5330
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialLEATHER SEALING ELEMENT
case_styleSQUARE
seal_width0.468 INCHES NOMINAL IN
surface_treatmentCADMIUM OR ZINC CASE
housing_bore_diameter2.870 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5330-00-559-3680
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1756016 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: 2000 FEET PER MINUTE FT
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SEAL WIDTH: 0.468 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
SURFACE TREATMENT: CADMIUM OR ZINC CASE
TECHNICAL CHARACTERISTICS (FLIS)
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
CASE STYLESQUARE
SEAL WIDTH0.468 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
MATERIALLEATHER SEALING ELEMENT
SURFACE TREATMENTCADMIUM OR ZINC CASE
HOUSING BORE DIAMETER2.870 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
X00270Interchangeable
interchangeable cross-reference
interchangeable
50365Interchangeable
interchangeable cross-reference
interchangeable
X270Interchangeable
interchangeable cross-reference
interchangeable
A-A-208Interchangeable
interchangeable cross-reference
interchangeable
TT-I-1795 YELLOWInterchangeable
interchangeable cross-reference
interchangeable
7510-00-183-7698Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1756016?
1756016 is a SEAL,PLAIN ENCASED.
What parts can replace 1756016?
There are 13 known substitutes for 1756016: X00270, 50365, X270 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1756016?
1756016 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-559-3680. 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