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G-803 ✓ 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 GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include color: CLEAR, shape: CYLINDRICAL, material: STEEL CORROSION RESISTING OVERALL, body_width: 0.800 INCHES MAXIMUM IN, glass_type: REAGENT RESISTANT, valve_size: 0.500 INCHES 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 2805-00-691-5894, 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
G-803
NSN: 2805-00-691-5894
FSC: 2805
CAGE: 92947 — ERTEL MFG CORP (USA)
SPECIFICATIONS
colorCLEAR
shapeCYLINDRICAL
materialSTEEL CORROSION RESISTING OVERALL
body_width0.800 INCHES MAXIMUM IN
glass_typeREAGENT RESISTANT
valve_size0.500 INCHES IN
body_height0.780 INCHES MAXIMUM IN
body_length1.078 INCHES NOMINAL IN
bonnet_typeINSIDE SCREW
closure_typeSTOPPER
belt_quantity3
bore_diameter45.0 MILLIMETERS NOMINAL MM
NSN2805-00-691-5894
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUIDE,VALVE STEM TITLE COMPONENT PN G-803 MFR GUIDE,VALVE STEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
A404728-3NInterchangeable
interchangeable cross-reference
interchangeable
S5258Interchangeable
interchangeable cross-reference
interchangeable
G5-49-1Interchangeable
interchangeable cross-reference
interchangeable
G5-49-1CPInterchangeable
interchangeable cross-reference
interchangeable
G5-49CPInterchangeable
interchangeable cross-reference
interchangeable
3803Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-803?
G-803 is a GUIDE,VALVE STEM.
What parts can replace G-803?
There are 23 known substitutes for G-803: A404728-3N, S5258, G5-49-1 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G-803?
G-803 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-691-5894. 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