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Technical Data Sheet
PartsTable / COMPONENT / 3294787
3294787 ✓ 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 ANTI-BACKLASH ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL, seat_radius: 0.290 INCHES NOMINAL IN, thread_class: 3A A, overall_height: 0.844 INCHES NOMINAL IN, overall_length: 6.750 INCHES NOMINAL IN, outside_diameter: 0.641 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 4820-00-532-7969, 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
3294787
NSN: 4820-00-532-7969
FSC: 4820
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL
seat_radius0.290 INCHES NOMINAL IN
thread_class3A A
overall_height0.844 INCHES NOMINAL IN
overall_length6.750 INCHES NOMINAL IN
outside_diameter0.641 INCHES NOMINAL IN
special_featuresCARBON STEEL DISK; NITRIDED STEEL DISK WASHER; CRES STEM AND CHROME-MOLYBDENUM ALLOY STEEL; FOR 600 PSI WP 0.750 IN. GLOBE AND ANGLE VALVES IN
style_designatorPLUG
nominal_thread_size0.750 INCHES IN
largest_outside_diameter0.609 INCHES NOMINAL IN
thread_series_designatorUNF
NSN4820-00-532-7969
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3294787 · 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
•
LARGEST OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
OVERALL LENGTH9.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
29851 PIECE 7 1-2INInterchangeable
interchangeable cross-reference
interchangeable
3294787 PC 7 1-2INInterchangeable
interchangeable cross-reference
interchangeable
3294787Interchangeable
interchangeable cross-reference
interchangeable
29851 PIECE 5 1-2INInterchangeable
interchangeable cross-reference
interchangeable
3294787 PIECE 5 1-2INInterchangeable
interchangeable cross-reference
interchangeable
29851 PIECE 5 TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3294787?
3294787 is a ANTI-BACKLASH ASSEMBLY.
What parts can replace 3294787?
There are 8 known substitutes for 3294787: 29851 PIECE 7 1-2IN, 3294787 PC 7 1-2IN, 3294787 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3294787?
3294787 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-532-7969. 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