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406251 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL, body_style: FLUSH FLANGE MOUNTING, overall_length: 1.463 INCHES NOMINAL IN, bushing_diameter: 1.688 INCHES NOMINAL IN, overall_diameter: 2.438 INCHES NOMINAL IN, polarization_method: CONTACT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-005-7411, 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
406251
NSN: 4820-00-005-7411
FSC: 4820
CAGE: 31361 — WOODWARD, INC. (USA)
SPECIFICATIONS
materialSTEEL
body_styleFLUSH FLANGE MOUNTING
overall_length1.463 INCHES NOMINAL IN
bushing_diameter1.688 INCHES NOMINAL IN
overall_diameter2.438 INCHES NOMINAL IN
mating_end_quantity1
polarization_methodCONTACT
contact_removabilityNONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING
mounting_hole_radius1.062 INCHES NOMINAL IN
environmental_protectionSALT WATER RESISTANT
largest_outside_diameter0.210 INCHES NOMINAL IN
included_contact_quantity2 SINGLE MATING END SECOND CONTACT GROUPING
NSN4820-00-005-7411
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 406251 · 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: 0.210 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH2.030 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER0.210 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
5278Interchangeable
interchangeable cross-reference
interchangeable
923466-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 406251?
406251 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 406251?
There are 2 known substitutes for 406251: 5278, 923466-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 406251?
406251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-005-7411. 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