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Technical Data Sheet

N20-SS 1/4FPT — TELEPHONE,SECURE UNIT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N20-SS 1/4FPT: TELEPHONE,SECURE UNIT.

The TELEPHONE,SECURE UNIT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, bonnet_type: INSIDE SCREW, 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 U.S.

Government catalog under NSN 4820-00-630-4685, 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
N20-SS 1/4FPT
NSN: 4820-00-630-4685
FSC: 4820 — Valves, Nonpowered
CAGE: 92029 — DELTROL CORP DELTROL FLUID PRODUCTS DIV (USA)
SPECIFICATIONS
materialSTEEL BODY
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedVALVE STEM LOCK SHIELD AND BONNET PACKING
operating_pressure5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceNEEDLE
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp212.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
NSN4820-00-630-4685
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N20-SS 1/4FPT · 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: NEEDLE
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: VALVE STEM LOCK SHIELD AND BONNET PACKING
•
BONNET TYPE: INSIDE SCREW
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICENEEDLE
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND BONNET PACKING
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP212.0 FAHRENHEIT SINGLE RESPONSE DEGF
SUBSTITUTES & CROSS-REFERENCES 2
2-06311Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
298-101-53Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N20-SS 1/4FPT?
N20-SS 1/4FPT is a TELEPHONE,SECURE UNIT.
What parts can replace N20-SS 1/4FPT?
There are 2 known substitutes for N20-SS 1/4FPT: 2-06311, 298-101-53. Substitute compatibility should be verified for your specific system.
What is the NSN for N20-SS 1/4FPT?
N20-SS 1/4FPT is cataloged in the U.S. Government catalog under NSN 4820-00-630-4685. This indicates validated use in U.S. government and defense supply chains.
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