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PartsTable / COMPONENT / 9411-40-2
9411-40-2 ✓ 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

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_class: 2B, head_diameter: 0.851 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, thread_length: 1.69 INCHES MINIMUM AND 1.75 INCHES MAXIMUM 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 4820-01-249-1247, 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
9411-40-2
NSN: 4820-01-249-1247
FSC: 4820
CAGE: 57817 — TACTAIR FLUID CONTROLS INC PHOENIX CONTROLS DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
thread_class2B
head_diameter0.851 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
thread_length1.69 INCHES MINIMUM AND 1.75 INCHES MAXIMUM IN
fastener_length1.69 INCHES MINIMUM AND 1.75 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
end_item_identification2541-01-561-0937
NSN4820-01-249-1247
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 9411-40-2 · 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 10
94112Interchangeable
interchangeable cross-reference
interchangeable
2411 1/2Interchangeable
interchangeable cross-reference
interchangeable
2501 1/2Interchangeable
interchangeable cross-reference
interchangeable
53532Interchangeable
interchangeable cross-reference
interchangeable
2948-240Interchangeable
interchangeable cross-reference
interchangeable
WWD240HSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9411-40-2?
9411-40-2 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What parts can replace 9411-40-2?
There are 10 known substitutes for 9411-40-2: 94112, 2411 1/2, 2501 1/2 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9411-40-2?
9411-40-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-249-1247. 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