PartsTable
Technical Data Sheet
157R1R17 ✓ 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 BOX CONNECTOR,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, seat_angle: 37.0 DEGREES FIRST END, bonnet_type: INSIDE SPRING, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: FLARED (TUBE) FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-883-4550, 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
157R1R17
NSN: 4820-00-883-4550
FSC: 4820
CAGE: 63479 — PROCESS SUPPLY INC DBA DEFENSE PRODUCTS INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
seat_angle37.0 DEGREES FIRST END
bonnet_typeINSIDE SPRING
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
thread_directionRIGHT-HAND FIRST END
features_providedVALVE STEM LOCK SHIELD
operating_pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.500 INCHES SECOND END IN
NSN4820-00-883-4550
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 157R1R17 · 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: AIR SINGLE RESPONSE
NOMINAL THREAD SIZE: 0.875 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: NPT SECOND END
THREAD DIRECTION: RIGHT-HAND FIRST END
FEATURES PROVIDED: VALVE STEM LOCK SHIELD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
MATERIAL: STEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL THREAD SIZE0.875 INCHES FIRST END IN
THREAD SERIES DESIGNATORNPT SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
FEATURES PROVIDEDVALVE STEM LOCK SHIELD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
MATERIALSTEEL AND RUBBER SYNTHETIC FLOW CONTROL DEVICE
THREAD DIRECTIONRIGHT-HAND SECOND END
OPENING PRESSURE SETTING300.0 POUNDS PER SQUARE INCH LBS
MATERIALCOPPER ALLOY BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
5232Interchangeable
interchangeable cross-reference
interchangeable
687456C1Interchangeable
interchangeable cross-reference
interchangeable
16KP261Interchangeable
interchangeable cross-reference
interchangeable
TY22470Interchangeable
interchangeable cross-reference
interchangeable
3278T72Interchangeable
interchangeable cross-reference
interchangeable
AB00905232Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 157R1R17?
157R1R17 is a BOX CONNECTOR,ELECTRICAL.
What parts can replace 157R1R17?
There are 17 known substitutes for 157R1R17: 5232, 687456C1, 16KP261 and 14 more. Substitute compatibility should be verified for your specific system.
Is 157R1R17 still available?
157R1R17 is currently cancelled.
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