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1S211 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INSERT,ENGINE VALVE SEAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.250 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 1.250 INCHES NOMINAL IN, body_outside_diameter: 1.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-691-9488, 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
1S211
NSN: 2805-00-691-9488
FSC: 2805
CAGE: 59875 — EATON CORP DBA EATON AEROSPACE JACKSON (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.250 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter1.250 INCHES NOMINAL IN
body_outside_diameter1.625 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN2805-00-691-9488
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSERT,ENGINE VALVE SEAT TITLE COMPONENT PN 1S211 MFR INSERT,ENGINE VALVE SE
KEY FEATURES
•
SEATING SURFACE SHAPE: ANGULAR
•
MATERIAL: STEEL OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEANGULAR
MATERIALSTEEL OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
OVERALL HEIGHT0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
7095042Interchangeable
interchangeable cross-reference
interchangeable
R111GInterchangeable
interchangeable cross-reference
interchangeable
442710Interchangeable
interchangeable cross-reference
interchangeable
7311907Interchangeable
interchangeable cross-reference
interchangeable
R111Interchangeable
interchangeable cross-reference
interchangeable
SP1006CPInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1S211?
1S211 is a INSERT,ENGINE VALVE SEAT.
What parts can replace 1S211?
There are 18 known substitutes for 1S211: 7095042, R111G, 442710 and 15 more. Substitute compatibility should be verified for your specific system.
Is 1S211 still available?
1S211 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026