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40785-301 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40785-301: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., thread_direction: RIGHT-HAND ALL ENDS, disk_loading_method: SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-289-3478, 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
40785-301
NSN: 4820-01-289-3478
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialBRONZE BODY
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
thread_directionRIGHT-HAND ALL ENDS
disk_loading_methodSPRING
flow_control_deviceDIAPHRAGM
nominal_thread_size1.500 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
adjustable_pressure_range+20.0 TO 70.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-289-3478
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40785-301 · 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
•
FLOW CONTROL DEVICE: DIAPHRAGM
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
•
ADJUSTABLE PRESSURE RANGE: +20.0 TO 70.0 POUNDS PER SQUARE INCH LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 1.500 INCHES ALL ENDS IN
•
DISK LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
ADJUSTABLE PRESSURE RANGE+20.0 TO 70.0 POUNDS PER SQUARE INCH LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE1.500 INCHES ALL ENDS IN
DISK LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALBRONZE BODY
SUBSTITUTES & CROSS-REFERENCES 4
40785-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAP852Reference document
Same NSN cross-reference
Reference document — Secondary reference
1910R 1-1/2IPSReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1910R-1-1/2IPS 20TO70Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40785-301?
40785-301 is a VALVE,SAFETY RELIEF.
What parts can replace 40785-301?
There are 4 known substitutes for 40785-301: 40785-3, NAP852, 1910R 1-1/2IPS and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40785-301?
40785-301 is cataloged in the U.S. Government catalog under NSN 4820-01-289-3478. This indicates validated use in U.S. government and defense supply chains.
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