PartsTable
Technical Data Sheet
529781 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE PACKING, bonnet_type: OUTSIDE SCREW-YOKE, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-170-2313, 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
529781
NSN: 4820-01-170-2313
FSC: 4820
CAGE: 36378 — RAYTHEON TECHNICAL SERVICES COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE PACKING
bonnet_typeOUTSIDE SCREW-YOKE
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedBONNET PACKING
mounting_facilityBULKHEAD
surface_treatmentPASSIVATE
operating_pressure70000.0 KILOPASCALS (KPA) MAXIMUM SINGLE RESPONSE
flow_control_deviceSTEM
nominal_thread_size0.250 INCHES ALL ENDS IN
NSN4820-01-170-2313
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 529781 · 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
FEATURES PROVIDED: BONNET PACKING
SUPPLEMENTARY FEATURES: PANEL MOUNT KIT P/N 9-1483-1S3 CONTAINS 2 CRES NUTS VALVE SIZE 1/4 IN. AND HANDLE COLOR BLUE IN
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICE: STEM
THREAD DIRECTION: RIGHT-HAND ALL ENDS
MOUNTING FACILITY: BULKHEAD
BONNET ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDBONNET PACKING
SUPPLEMENTARY FEATURESPANEL MOUNT KIT P/N 9-1483-1S3 CONTAINS 2 CRES NUTS VALVE SIZE 1/4 IN. AND HANDLE COLOR BLUE IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW CONTROL DEVICESTEM
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MOUNTING FACILITYBULKHEAD
BONNET ATTACHMENT METHODTHREADED
SURFACE TREATMENTPASSIVATE
BONNET TYPEOUTSIDE SCREW-YOKE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
533824PC783Interchangeable
interchangeable cross-reference
interchangeable
N-1312 TYPE FFGInterchangeable
interchangeable cross-reference
interchangeable
3178BInterchangeable
interchangeable cross-reference
interchangeable
632E256PC48Interchangeable
interchangeable cross-reference
interchangeable
N1312Interchangeable
interchangeable cross-reference
interchangeable
N1312 AND 9-1483-1S3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 529781?
529781 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 529781?
There are 13 known substitutes for 529781: 533824PC783, N-1312 TYPE FFG, 3178B and 10 more. Substitute compatibility should be verified for your specific system.
Is 529781 still available?
529781 is currently cancelled.
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