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40398-4 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40398-4: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY AND COPPER ALLOY SEAT, body_style: STRAIGHT THRU, temp_rating: 165.0 FAHRENHEIT NOMINAL DEGF, furnished_items: BRAZING RING, regulation_type: AUTOMATIC SINGLE STAGE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-458-0235, 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
40398-4
NSN: 4820-01-458-0235
NIINs: 014580235, 014812587, 016825259, 016838703, 016877665
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY AND COPPER ALLOY SEAT
body_styleSTRAIGHT THRU
temp_rating165.0 FAHRENHEIT NOMINAL DEGF
furnished_itemsBRAZING RING
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK
valve_loading_methodSPRING
outlet_pressure_range50.0 TO 150.0 CAMERA MOUNT
special_test_featuresHI SHOCK TESTING AND VIBRATION TESTING, AERO NAV LABORATORIES, 9-4042, 12/29/99.
end_connection_quantity2
end_item_identificationE/I VALVE PRESSURE CAGE 55378 ARLEIGH BURKE CLASS DDG
NSN4820-01-458-0235
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40398-4 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONE/I VALVE PRESSURE CAGE 55378 ARLEIGH BURKE CLASS DDG
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40398-4?
40398-4 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 40398-4?
40398-4 is cataloged in the U.S. Government catalog under NSN 4820-01-458-0235. This indicates validated use in U.S. government and defense supply chains.
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