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PartsTable / COMPONENT / 40403-2 FIND NO. 25
40403-2 FIND NO. 25 ✓ 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 40403-2 FIND NO. 25 is a the manufacturer industrial component. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-476-0227, 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
40403-2 FIND NO. 25
NSN: 4820-01-476-0227
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
Part Number40403-2 FIND NO. 25
NSN4820-01-476-0227
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40403-2 FIND NO. 25 · 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
•
MATERIAL: NICKEL ALLOY SEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALNICKEL ALLOY SEAT
END ITEM IDENTIFICATIONNHA NSN 4820-01-475-9686 VALVE, REGULATING, FLUID PRESSURE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
24095Interchangeable
interchangeable cross-reference
interchangeable
1709AS901-01Interchangeable
interchangeable cross-reference
interchangeable
24059Interchangeable
interchangeable cross-reference
interchangeable
F3209Interchangeable
interchangeable cross-reference
interchangeable
FX20-0736-01Interchangeable
interchangeable cross-reference
interchangeable
395AS159Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40403-2 FIND NO. 25?
40403-2 FIND NO. 25 is a 40403-2 FIND NO. 25.
What parts can replace 40403-2 FIND NO. 25?
There are 15 known substitutes for 40403-2 FIND NO. 25: 24095, 1709AS901-01, 24059 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40403-2 FIND NO. 25?
40403-2 FIND NO. 25 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-476-0227. 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