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Technical Data Sheet
PartsTable / COMPONENT / X1555
X1555 ✓ 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 SEALING ELEMENT, case_style: SHOULDERED, seal_width: 0.687 INCHES NOMINAL IN, surface_treatment: CADMIUM CASE, housing_bore_diameter: 2.996 INCHES NOMINAL IN, sealing_element_style: VERTICAL-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 5330-00-120-0213, 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
X1555
NSN: 5330-00-120-0213
FSC: 5330
CAGE: 99832 — SCOTT HUBER ESSICK A CO OF FIGGIE INTERNATIONAL INC (USA)
SPECIFICATIONS
materialRUBBER SEALING ELEMENT
case_styleSHOULDERED
seal_width0.687 INCHES NOMINAL IN
surface_treatmentCADMIUM CASE
housing_bore_diameter2.996 INCHES NOMINAL IN
sealing_element_styleVERTICAL-ANGULAR
accommodated_shaft_diameter2.125 INCHES NOMINAL IN
NSN5330-00-120-0213
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: X1555 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
•
SEAL WIDTH: 0.448 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 3.000 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT DIAMETER: 2.125 INCHES NOMINAL IN
•
MATERIAL: STEEL CASE
•
SEALING ELEMENT STYLE: ANGULAR
•
CASE STYLE: SQUARE
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.448 INCHES NOMINAL IN
HOUSING BORE DIAMETER3.000 INCHES NOMINAL IN
ACCOMMODATED SHAFT DIAMETER2.125 INCHES NOMINAL IN
MATERIALSTEEL CASE
SEALING ELEMENT STYLEANGULAR
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
CASE STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
8899Interchangeable
interchangeable cross-reference
interchangeable
323027Interchangeable
interchangeable cross-reference
interchangeable
7810Interchangeable
interchangeable cross-reference
interchangeable
7808Interchangeable
interchangeable cross-reference
interchangeable
CG-3775SInterchangeable
interchangeable cross-reference
interchangeable
SR-75-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is X1555?
X1555 is a SEAL,PLAIN ENCASED.
What parts can replace X1555?
There are 16 known substitutes for X1555: 8899, 323027, 7810 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for X1555?
X1555 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-120-0213. 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