PartsTable
Technical Data Sheet
MIL-V-1187B TYI ✓ 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 VALVE,ANGLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY STEM, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: VALVE SIZE 0.750 IN. IN, style_designator: ANGLE.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-541-0361, 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
MIL-V-1187B TYI
NSN: 4820-00-541-0361
FSC: 4820
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY STEM
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresVALVE SIZE 0.750 IN. IN
style_designatorANGLE
thread_directionRIGHT-HAND ALL ENDS
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceDISK
nominal_thread_size0.750 INCHES ALL ENDS IN
maximum_operating_temp425.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
NSN4820-00-541-0361
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MIL-V-1187B TYI · 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
MEDIA FOR WHICH DESIGNED: STEAM SECOND RESPONSE
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
BONNET ATTACHMENT METHOD: UNION
MATERIAL: STEEL FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-390,ALLOYD4/4/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MAXIMUM OPERATING TEMP: 425.0 FAHRENHEIT SINGLE RESPONSE DEGF
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
BONNET ATTACHMENT METHODUNION
MATERIALSTEEL FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-390,ALLOYD4/4/ FED SPEC SINGLE MATERIAL RESPONSE BODY
MAXIMUM OPERATING TEMP425.0 FAHRENHEIT SINGLE RESPONSE DEGF
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MATERIALCOPPER ALLOY 922 BODY
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MIL-V-1187Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-80Interchangeable
interchangeable cross-reference
interchangeable
803Interchangeable
interchangeable cross-reference
interchangeable
214CInterchangeable
interchangeable cross-reference
interchangeable
4592Interchangeable
interchangeable cross-reference
interchangeable
574-4801-812002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-V-1187B TYI?
MIL-V-1187B TYI is a VALVE,ANGLE.
What parts can replace MIL-V-1187B TYI?
There are 11 known substitutes for MIL-V-1187B TYI: MIL-V-1187, MSS SP-80, 803 and 8 more. Substitute compatibility should be verified for your specific system.
Is MIL-V-1187B TYI still available?
MIL-V-1187B TYI is currently cancelled.
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