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PartsTable / COMPONENT / 40105-4 SHT 2 P/N 50146-21
40105-4 SHT 2 P/N 50146-21 ✓ 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 40105-4 SHT 2 P/N 50146-21 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 4820-01-530-3543, 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
40105-4 SHT 2 P/N 50146-21
NSN: 4820-01-530-3543
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
Part Number40105-4 SHT 2 P/N 50146-21
NSN4820-01-530-3543
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40105-4 SHT 2 P/N 50146-21 · 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
•
VALVE SIZE FOR WHICH DESIGNED: 2.000 INCHES IN
•
THERMOSTAT TYPE: BULB
•
OPERATING TEMP RATING: 110.0 FAHRENHEIT NOMINAL DEGF
•
BULB DIAMETER: 1.120 INCHES NOMINAL IN
•
BULB LENGTH: 12.000 INCHES NOMINAL IN
•
CAPILLARY TUBE LENGTH: 180.000 INCHES NOMINAL IN
•
USAGE DESIGN: WATER
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE FOR WHICH DESIGNED2.000 INCHES IN
THERMOSTAT TYPEBULB
OPERATING TEMP RATING110.0 FAHRENHEIT NOMINAL DEGF
END ITEM IDENTIFICATION4820-01-530-3540; VALVE, REGULATING, TEMPERATURE
BULB DIAMETER1.120 INCHES NOMINAL IN
BULB LENGTH12.000 INCHES NOMINAL IN
CAPILLARY TUBE LENGTH180.000 INCHES NOMINAL IN
USAGE DESIGNWATER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1762BInterchangeable
interchangeable cross-reference
interchangeable
5063Interchangeable
interchangeable cross-reference
interchangeable
40700Interchangeable
interchangeable cross-reference
interchangeable
SL5074PC42Interchangeable
interchangeable cross-reference
interchangeable
255074-7Interchangeable
interchangeable cross-reference
interchangeable
401054Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40105-4 SHT 2 P/N 50146-21?
40105-4 SHT 2 P/N 50146-21 is a 40105-4 SHT 2 P/N 50146-21.
What parts can replace 40105-4 SHT 2 P/N 50146-21?
There are 19 known substitutes for 40105-4 SHT 2 P/N 50146-21: 1762B, 5063, 40700 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40105-4 SHT 2 P/N 50146-21?
40105-4 SHT 2 P/N 50146-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-530-3543. 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