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Technical Data Sheet
PartsTable / COMPONENT / 105-3/4NPT
105-3/4NPT ✓ 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 105-3/4NPT is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-268-9154, 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
105-3/4NPT
NSN: 4820-00-268-9154
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number105-3/4NPT
NSN4820-00-268-9154
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 105-3/4NPT · 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: 0.750 INCHES IN
•
FEATURES PROVIDED: BONNET PACKING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 150.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT
•
SPECIFICATION/STANDARD DATA: 59646-MSS-SP-80 MANUFACTURERS STANDARD
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE0.750 INCHES IN
FEATURES PROVIDEDBONNET PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED150.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
NOMINAL THREAD SIZE0.750 INCHES IN
THREAD SERIES DESIGNATORNPT
SPECIFICATION/STANDARD DATA59646-MSS-SP-80 MANUFACTURERS STANDARD
INLET RELATIONSHIP WITH OUTLETIDENTICAL
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPENONRISING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
52387Interchangeable
interchangeable cross-reference
interchangeable
184112H1Interchangeable
interchangeable cross-reference
interchangeable
4-38Interchangeable
interchangeable cross-reference
interchangeable
438-432Interchangeable
interchangeable cross-reference
interchangeable
FF-B-187AInterchangeable
interchangeable cross-reference
interchangeable
T113Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 105-3/4NPT?
105-3/4NPT is a 105-3/4NPT.
What parts can replace 105-3/4NPT?
There are 28 known substitutes for 105-3/4NPT: 52387, 184112H1, 4-38 and 25 more. Substitute compatibility should be verified for your specific system.
Is 105-3/4NPT still available?
105-3/4NPT is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026