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Technical Data Sheet
PartsTable / COMPONENT / 1184-1IN.
1184-1IN. ✓ 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 1184-1IN. is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-7175, 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
1184-1IN.
NSN: 4820-00-288-7175
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1184-1IN.
NSN4820-00-288-7175
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1184-1IN. · 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
•
BONNET TYPE: INSIDE SCREW
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
STEM TYPE: RISING
•
MATERIAL: COPPER ALLOY BODY
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SCREW
NOMINAL THREAD SIZE1.000 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED550.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
STEM TYPERISING
MATERIALCOPPER ALLOY BODY
INLET RELATIONSHIP WITH OUTLETIDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONASTMCUB000 ASSN STD SINGLE MATERIAL RESPONSE BODY
THREAD SERIES DESIGNATORNPT
OPERATING PRESSURE AND TYPE300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 1000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
AT7781Interchangeable
interchangeable cross-reference
interchangeable
7781Interchangeable
interchangeable cross-reference
interchangeable
GGG-A-450 TY2SZ2-1/2Interchangeable
interchangeable cross-reference
interchangeable
7239948P001Interchangeable
interchangeable cross-reference
interchangeable
ASTMD4029-81Interchangeable
interchangeable cross-reference
interchangeable
R820105 PIECE 25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1184-1IN.?
1184-1IN. is a 1184-1IN..
What parts can replace 1184-1IN.?
There are 19 known substitutes for 1184-1IN.: AT7781, 7781, GGG-A-450 TY2SZ2-1/2 and 16 more. Substitute compatibility should be verified for your specific system.
Is 1184-1IN. still available?
1184-1IN. 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