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PartsTable / COMPONENT / 6600D 29
6600D 29 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_diameter: 1.415 INCHES NOMINAL IN, style_designator: THREADED FLANGED, under_flange_height: 1.235 INCHES NOMINAL IN, body_inside_diameter: 0.520 INCHES NOMINAL IN, seating_surface_shape: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-176-6052, 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
6600D 29
NSN: 4820-01-176-6052
FSC: 4820
CAGE: 62654 — GRENO INDUSTRIES, INC. DBA GRENO INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_diameter1.415 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
under_flange_height1.235 INCHES NOMINAL IN
body_inside_diameter0.520 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.672 INCHES NOMINAL IN
NSN4820-01-176-6052
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6600D 29 · 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
•
SEATING SURFACE SHAPE: FLAT
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: THREADED FLANGED
•
UNDER FLANGE HEIGHT: 1.235 INCHES NOMINAL IN
•
FLANGE DIAMETER: 1.415 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 0.520 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.672 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEFLAT
MATERIALSTEEL OVERALL
STYLE DESIGNATORTHREADED FLANGED
UNDER FLANGE HEIGHT1.235 INCHES NOMINAL IN
FLANGE DIAMETER1.415 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.520 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.672 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
B7985Interchangeable
interchangeable cross-reference
interchangeable
6613Interchangeable
interchangeable cross-reference
interchangeable
1A6770Interchangeable
interchangeable cross-reference
interchangeable
HS905Interchangeable
interchangeable cross-reference
interchangeable
178479Interchangeable
interchangeable cross-reference
interchangeable
HY2863Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6600D 29?
6600D 29 is a SEAT,VALVE.
What parts can replace 6600D 29?
There are 12 known substitutes for 6600D 29: B7985, 6613, 1A6770 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6600D 29?
6600D 29 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-176-6052. 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