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Technical Data Sheet
PartsTable / COMPONENT / 50-116-4
50-116-4 ✓ 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 THERMOSTATIC,ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_type: PLAINPLAIN, insert_style: PROTRUDING FLANGEPROTRUDING FLANGE, body_diameter: 0.257 INCHES MINIMUM AND 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM0.261 INCHES MAXIMUM IN, hole_diameter: 0.237 INCHES MINIMUM AND 0.237 INCHES MINIMUM AND 0.240 INCHES MAXIMUM0.240 INCHES MAXIMUM IN, flange_diameter: 0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM0.495 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 4820-01-178-4858, 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
50-116-4
NSN: 4820-01-178-4858
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_typePLAINPLAIN
insert_stylePROTRUDING FLANGEPROTRUDING FLANGE
body_diameter0.257 INCHES MINIMUM AND 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM0.261 INCHES MAXIMUM IN
hole_diameter0.237 INCHES MINIMUM AND 0.237 INCHES MINIMUM AND 0.240 INCHES MAXIMUM0.240 INCHES MAXIMUM IN
flange_diameter0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM0.495 INCHES MAXIMUM IN
flange_thickness0.008 INCHES MINIMUM AND 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM0.012 INCHES MAXIMUM IN
special_featuresLENGTH .245 TO .255 INCHES; GRIP RANGE .151 TO .190 INCHESLENGTH .245 TO .255 INCHES; GRIP RANGE .151 TO .190 INCHES IN
surface_treatmentPASSIVATE OVERALL
end_item_identificationFITTING INSTL; FAIRING INSTL; V-22 AIRCRAFTFITTING INSTL; FAIRING INSTL; V-22 AIRCRAFT
part_name_assigned_by_controlling_agencyGROMMET,METALLICGROMMET,METALLIC
NSN4820-01-178-4858
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 50-116-4 · 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 4
503362KITInterchangeable
interchangeable cross-reference
interchangeable
501164Interchangeable
interchangeable cross-reference
interchangeable
CA358036-4Interchangeable
interchangeable cross-reference
interchangeable
123004-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50-116-4?
50-116-4 is a THERMOSTATIC,ASSEMBLY.
What parts can replace 50-116-4?
There are 4 known substitutes for 50-116-4: 503362KIT, 501164, CA358036-4 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50-116-4?
50-116-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-178-4858. 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