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A5401-2 — VALVE,RELIEF,PRESSURE AND TEMPER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A5401-2: VALVE,RELIEF,PRESSURE AND TEMPER.

VALVE,RELIEF,PRESSURE AND TEMPER. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE, body_style: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS, bulb_length: 1.375 INCHES NOMINAL IN, temp_rating: 210.0 FAHRENHEIT DEGF, bulb_diameter: 0.250 INCHES NOMINAL IN, temp_adjustability: NOT ADJUSTABLE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-008-2001, 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
A5401-2
NSN: 4820-01-008-2001
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
body_styleANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
bulb_length1.375 INCHES NOMINAL IN
temp_rating210.0 FAHRENHEIT DEGF
bulb_diameter0.250 INCHES NOMINAL IN
temp_adjustabilityNOT ADJUSTABLE
flow_control_devicePOPPET
end_connection_quantity2
media_for_which_designedWATER, FRESH
temp_control_device_typeTHERMOSTATIC
adjustable_pressure_range75.0 TO 175.0 CAMERA MOUNT
first_end_connection_typeTHREADED INTERNAL PIPE
NSN4820-01-008-2001
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A5401-2 · 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: POPPET
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
TEMP RATING: 210.0 FAHRENHEIT DEGF
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
BODY STYLE: ANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
•
FIRST END STYLE DESIGNATOR: PLAIN
•
BULB LENGTH: 1.375 INCHES NOMINAL IN
•
BULB DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
FIRST END THREAD DIRECTIONRIGHT-HAND
TEMP RATING210.0 FAHRENHEIT DEGF
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
BODY STYLEANGLE GIVE "ADQM" AND "ADQN" ONLY IF FLANGED ONE OR TWO ENDS
FIRST END STYLE DESIGNATORPLAIN
BULB LENGTH1.375 INCHES NOMINAL IN
BULB DIAMETER0.250 INCHES NOMINAL IN
SECOND END NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES IN
END CONNECTION QUANTITY2
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 A5401-2?
A5401-2 is a VALVE,RELIEF,PRESSURE AND TEMPER.
What is the NSN for A5401-2?
A5401-2 is cataloged in the U.S. Government catalog under NSN 4820-01-008-2001. This indicates validated use in U.S. government and defense supply chains.
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