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Technical Data Sheet
PartsTable / COMPONENT / 793405-1
793405-1 ✓ 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 UNS K08500 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, coil_quantity: 12, inside_diameter: 0.565 INCHES NOMINAL IN, style_designator: CYLINDRICAL, spring_free_length: 2.000 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 4820-01-348-7999, 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
793405-1
NSN: 4820-01-348-7999
FSC: 4820
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
coil_quantity12
inside_diameter0.565 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.000 INCHES NOMINAL IN
spring_solid_length1.313 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate75.000 POUNDS PER INCH NOMINAL LBS
spring_free_outside_diameter0.785 INCHES NOMINAL IN
material_document_and_classificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4820-01-348-7999
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 793405-1 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
70NA6809Interchangeable
interchangeable cross-reference
interchangeable
NA6809PC70Interchangeable
interchangeable cross-reference
interchangeable
793405Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 793405-1?
793405-1 is a SEAT,VALVE.
What parts can replace 793405-1?
There are 3 known substitutes for 793405-1: 70NA6809, NA6809PC70, 793405. Substitute compatibility should be verified for your specific system.
What is the NSN for 793405-1?
793405-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-348-7999. 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