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404GG1-2B3 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

404GG1-2B3: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: PLAIN, OPTIONAL END (PIPE) FIRST END, special_features: WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-935-5400, 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
404GG1-2B3
NSN: 4820-00-935-5400
FSC: 4820 — Valves, Nonpowered
CAGE: 86768 — TELEDYNE INDUSTRIES INC TELEDYNE FLUID SYSTEMS REPUBLIC BUSINESS UNIT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_stylePLAIN, OPTIONAL END (PIPE) FIRST END
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND SECOND END
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceBALL
nominal_thread_size0.500 INCHES FIRST END IN
maximum_operating_temp350.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-935-5400
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 404GG1-2B3 · 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: BALL
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.125 INCHES SECOND END IN
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) SECOND END
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
NOMINAL PIPE SIZE ACCOMMODATED0.125 INCHES SECOND END IN
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) SECOND END
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) FIRST END
MOUNTING POSITIONHORIZONTAL OR VERTICAL
CRITICALITY CODE JUSTIFICATIONFEAT
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
STYLE DESIGNATORSTRAIGHT THRU
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
404GG1-2SS3Reference document
Same NSN cross-reference
Reference document — Secondary 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 404GG1-2B3?
404GG1-2B3 is a VALVE,CHECK.
What parts can replace 404GG1-2B3?
There is 1 known substitute for 404GG1-2B3: 404GG1-2SS3. Substitute compatibility should be verified for your specific system.
What is the NSN for 404GG1-2B3?
404GG1-2B3 is cataloged in the U.S. Government catalog under NSN 4820-00-935-5400. This indicates validated use in U.S. government and defense supply chains.
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