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G-577 ✓ 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 material: STEEL, bore_diameter: 0.3750 INCHES NOMINAL IN, overall_length: 2.915 INCHES NOMINAL IN, bore_counterbore: NOT INCLUDED, bore_countersink: NOT INCLUDED, outside_diameter: 0.690 INCHES NOMINAL 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 2805-00-875-8215, 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-577
NSN: 2805-00-875-8215
FSC: 2805
CAGE: 76255 — MCQUAY-NORRIS INC OEM DIV AN SKF INDUSTRIES CO
SPECIFICATIONS
materialSTEEL
bore_diameter0.3750 INCHES NOMINAL IN
overall_length2.915 INCHES NOMINAL IN
bore_counterboreNOT INCLUDED
bore_countersinkNOT INCLUDED
outside_diameter0.690 INCHES NOMINAL IN
style_designatorPLAIN, SHOULDERED
bb_end_chamfer_length0.031 INCHES NOMINAL IN
bb_end_shank_diameter0.594 INCHES NOMINAL IN
major_diameter_length2.500 INCHES NOMINAL IN
bb_end_chamfer_angle_in_deg45.0
shoulder_first_fillet_radius0.438 INCHES NOMINAL IN
NSN2805-00-875-8215
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUIDE,VALVE STEM TITLE COMPONENT PN G-577 MFR GUIDE,VALVE STEM
KEY FEATURES
•
BB END CHAMFER ANGLE IN DEG: 45.0
•
SHOULDER FIRST FILLET RADIUS: 0.438 INCHES NOMINAL IN
•
BB END SHANK DIAMETER: 0.594 INCHES NOMINAL IN
•
BB END CHAMFER LENGTH: 0.031 INCHES NOMINAL IN
•
MAJOR DIAMETER LENGTH: 2.500 INCHES NOMINAL IN
•
BORE COUNTERSINK: NOT INCLUDED
•
BORE COUNTERBORE: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.915 INCHES NOMINAL IN
BB END CHAMFER ANGLE IN DEG45.0
SHOULDER FIRST FILLET RADIUS0.438 INCHES NOMINAL IN
BB END SHANK DIAMETER0.594 INCHES NOMINAL IN
BB END CHAMFER LENGTH0.031 INCHES NOMINAL IN
MAJOR DIAMETER LENGTH2.500 INCHES NOMINAL IN
BORE COUNTERSINKNOT INCLUDED
BORE COUNTERBORENOT INCLUDED
MATERIALSTEEL
STYLE DESIGNATORPLAIN, SHOULDERED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
51836Interchangeable
interchangeable cross-reference
interchangeable
G836Interchangeable
interchangeable cross-reference
interchangeable
526-49AK01-802Interchangeable
interchangeable cross-reference
interchangeable
151798R1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G-577?
G-577 is a GUIDE,VALVE STEM.
What parts can replace G-577?
There are 4 known substitutes for G-577: 51836, G836, 526-49AK01-802 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G-577?
G-577 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2805-00-875-8215. 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