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PartsTable / COMPONENT / 6503-86 PIECE 69
6503-86 PIECE 69 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The FLANGE,GLAND,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: USED ON BACK-UP VALVE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-235-9079, 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
6503-86 PIECE 69
NSN: 4820-01-235-9079
FSC: 4820
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresUSED ON BACK-UP VALVE
NSN4820-01-235-9079
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6503-86 PIECE 69 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESUSED ON BACK-UP VALVE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4475023 ITEM 261Interchangeable
interchangeable cross-reference
interchangeable
624VLF00463Interchangeable
interchangeable cross-reference
interchangeable
A38491Interchangeable
interchangeable cross-reference
interchangeable
4475023 ITEM 69Interchangeable
Same NIIN cross-reference
interchangeable
6503-86Interchangeable
Same NIIN cross-reference
interchangeable
4475023Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6503-86 PIECE 69?
6503-86 PIECE 69 is a FLANGE,GLAND,VALVE.
What parts can replace 6503-86 PIECE 69?
There are 6 known substitutes for 6503-86 PIECE 69: 4475023 ITEM 261, 624VLF00463, A38491 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6503-86 PIECE 69?
6503-86 PIECE 69 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-235-9079. 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