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PartsTable / COMPONENT / I-311
I-311 ✓ 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 VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: MUSHROOM, stem_style: GROOVED, head_height: 0.2200 INCHES NOMINAL IN, neck_radius: 0.4375 INCHES NOMINAL IN, stem_length: 4.3180 INCHES MINIMUM AND 4.3380 INCHES MAXIMUM IN, groove_width: 0.0950 INCHES MINIMUM AND 0.1050 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 2805-00-352-3083, 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
I-311
NSN: 2805-00-352-3083
FSC: 2805
CAGE: 79606 — GOULD INC CLEVITE ENGINE PARTS DIV (USA)
SPECIFICATIONS
head_styleMUSHROOM
stem_styleGROOVED
head_height0.2200 INCHES NOMINAL IN
neck_radius0.4375 INCHES NOMINAL IN
stem_length4.3180 INCHES MINIMUM AND 4.3380 INCHES MAXIMUM IN
groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
stem_diameter0.3090 INCHES MINIMUM AND 0.3100 INCHES MAXIMUM IN
chamfer_length0.0156 INCHES NOMINAL IN
groove_diameter0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
outside_diameter1.5060 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN2805-00-352-3083
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN I-311 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
HEAD HEIGHT: 0.2200 INCHES NOMINAL IN
•
METALLIC HARDNESS RATING AND LOCATION: 36.0 ROCKWELL C MAXIMUM STEM
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
GROOVE DIAMETER: 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
•
CHAMFER ANGLE IN DEG: 45.0
•
OUTSIDE DIAMETER: 1.5060 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM IN
•
GROOVE WIDTH: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.2200 INCHES NOMINAL IN
METALLIC HARDNESS RATING AND LOCATION36.0 ROCKWELL C MAXIMUM STEM
METALLIC HARDNESS RATING AND LOCATION72.0 ROCKWELL B NOMINAL HEAD
FSC APPLICATION DATAGASOLINE ENGINE
GROOVE DIAMETER0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
CHAMFER ANGLE IN DEG45.0
OUTSIDE DIAMETER1.5060 INCHES MINIMUM AND 1.5160 INCHES MAXIMUM IN
GROOVE WIDTH0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
STEM STYLEGROOVED
CARBON RELIEF GROOVENOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
V-2036Interchangeable
interchangeable cross-reference
interchangeable
2036Interchangeable
interchangeable cross-reference
interchangeable
V2192NSTDInterchangeable
interchangeable cross-reference
interchangeable
A605Interchangeable
interchangeable cross-reference
interchangeable
25J506PC13Interchangeable
interchangeable cross-reference
interchangeable
MILB5687Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is I-311?
I-311 is a VALVE,POPPET,ENGINE.
What parts can replace I-311?
There are 18 known substitutes for I-311: V-2036, 2036, V2192NSTD and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for I-311?
I-311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-352-3083. 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