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677965 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

677965: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, thread_class: 2A SECOND END A, connection_type: THREADED INTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) FIRST END, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY., thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-300-5226, 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
677965
NSN: 4820-01-300-5226
FSC: 4820 — Valves, Nonpowered
CAGE: 02614 — CASCADE CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
thread_class2A SECOND END A
connection_typeTHREADED INTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) FIRST END
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
thread_directionRIGHT-HAND FIRST END
flow_control_deviceDISK
nominal_thread_size0.562 INCHES FIRST END IN
valve_operation_methodAUTOMATIC
opening_pressure_setting2100.0 POUNDS PER SQUARE INCH LBS
thread_series_designatorUNF SECOND END
nominal_outside_diameter_tube_accommodated0.375 INCHES SECOND END IN
NSN4820-01-300-5226
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 677965 · 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: DISK
•
CONNECTION STYLE: PLAIN (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES SECOND END IN
•
THREAD DIRECTION: RIGHT-HAND SECOND END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
CONNECTION STYLEPLAIN (TUBE) FIRST END
CONNECTION STYLEINVERTED FLARE(TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END IN
THREAD DIRECTIONRIGHT-HAND SECOND END
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END IN
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
3S-3178Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 677965?
677965 is a VALVE,SAFETY RELIEF.
What parts can replace 677965?
There is 1 known substitute for 677965: 3S-3178. Substitute compatibility should be verified for your specific system.
What is the NSN for 677965?
677965 is cataloged in the U.S. Government catalog under NSN 4820-01-300-5226. This indicates validated use in U.S. government and defense supply chains.
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