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321-1TX-4B — VALVE,PLUG

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

321-1TX-4B: VALVE,PLUG.

The VALVE,PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, flow_style: THREE-WAY TWO PORT 90 DEGREE PLUG TURNTHREE-WAY TWO PORT 90 DEGREE PLUG TURN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-403-4677, 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
321-1TX-4B
NSN: 4820-00-403-4677
FSC: 4820 — Valves, Nonpowered
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
flow_styleTHREE-WAY TWO PORT 90 DEGREE PLUG TURNTHREE-WAY TWO PORT 90 DEGREE PLUG TURN
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
thread_directionRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
features_providedNONADJUSTABLE ROTATIONNONADJUSTABLE ROTATION
mounting_facilityBULKHEADBULKHEAD
operating_pressure90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.437 INCHES FIRST END0.437 INCHES FIRST END IN
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE160.0 FAHRENHEIT SINGLE RESPONSE DEGF
NSN4820-00-403-4677
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 321-1TX-4B · 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
•
CONNECTION STYLE: FLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
•
FLOW STYLE: THREE-WAY TWO PORT 90 DEGREE PLUG TURNTHREE-WAY TWO PORT 90 DEGREE PLUG TURN
•
OPERATING PRESSURE: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
FEATURES PROVIDED: NONADJUSTABLE ROTATIONNONADJUSTABLE ROTATION
•
THREAD DIRECTION: RIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
•
NOMINAL THREAD SIZE: 0.437 INCHES FIRST END0.437 INCHES FIRST END IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) FIRST ENDFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST ENDTHREADED EXTERNAL TUBE FIRST END
FLOW STYLETHREE-WAY TWO PORT 90 DEGREE PLUG TURNTHREE-WAY TWO PORT 90 DEGREE PLUG TURN
OPERATING PRESSURE90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
FEATURES PROVIDEDNONADJUSTABLE ROTATIONNONADJUSTABLE ROTATION
THREAD DIRECTIONRIGHT-HAND FIRST ENDRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.437 INCHES FIRST END0.437 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
MAXIMUM OPERATING TEMP160.0 FAHRENHEIT SINGLE RESPONSE160.0 FAHRENHEIT SINGLE RESPONSE DEGF
MOUNTING FACILITYBULKHEADBULKHEAD
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

No substitute or cross-reference records for this part.

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 321-1TX-4B?
321-1TX-4B is a VALVE,PLUG.
What is the NSN for 321-1TX-4B?
321-1TX-4B is cataloged in the U.S. Government catalog under NSN 4820-00-403-4677. This indicates validated use in U.S. government and defense supply chains.
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