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Technical Data Sheet
PartsTable / COMPONENT / 1600-205 1 1/4IN
1600-205 1 1/4IN ✓ 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 1600-205 1 1/4IN 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 4820-01-190-7083, 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
1600-205 1 1/4IN
NSN: 4820-01-190-7083
FSC: 4820
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
Part Number1600-205 1 1/4IN
NSN4820-01-190-7083
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1600-205 1 1/4IN · 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
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
STYLE DESIGNATOR: STRAIGHT THRU
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
BONNET TYPE: INSIDE SCREW
•
MATERIAL: NICKEL ALLOY STEM
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SINGLE RESPONSE DEGF
STYLE DESIGNATORSTRAIGHT THRU
THREAD DIRECTIONRIGHT-HAND ALL ENDS
BONNET TYPEINSIDE SCREW
MATERIALNICKEL ALLOY STEM
FLOW CONTROL DEVICEDISK
MATERIALCOPPER ALLOY 922 BODY
MATERIALNICKEL ALLOY SEAT
BONNET ATTACHMENT METHODTHREADED
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
9799-77-05Interchangeable
interchangeable cross-reference
interchangeable
9PCM2Interchangeable
interchangeable cross-reference
interchangeable
121-51-11-077Interchangeable
interchangeable cross-reference
interchangeable
1600-205Interchangeable
interchangeable cross-reference
interchangeable
4820PL0920039Interchangeable
interchangeable cross-reference
interchangeable
5868845Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1600-205 1 1/4IN?
1600-205 1 1/4IN is a 1600-205 1 1/4IN.
What parts can replace 1600-205 1 1/4IN?
There are 9 known substitutes for 1600-205 1 1/4IN: 9799-77-05, 9PCM2, 121-51-11-077 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1600-205 1 1/4IN?
1600-205 1 1/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-190-7083. 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