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40398-407 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40398-407: 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 4820-01-481-2587, 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
40398-407
NSN: 4820-01-481-2587
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_identificationW/S DESIGNATOR TARAWA CLASS LHA
NSN4820-01-481-2587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40398-407 · 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: DISK
•
RENEWABLE SEAT RING TYPE: THREADED
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END STYLE DESIGNATOR: SOCKET W/BRAZING RING
•
SPECIAL TEST FEATURES: HI SHOCK TESTING AND VIBRATION TESTING, AERO NAV LABORATORIES, 9-4042, 12/29/99.
•
TEMP RATING: 165.0 FAHRENHEIT NOMINAL DEGF
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
RENEWABLE SEAT RING TYPETHREADED
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END STYLE DESIGNATORSOCKET W/BRAZING RING
SPECIAL TEST FEATURESHI SHOCK TESTING AND VIBRATION TESTING, AERO NAV LABORATORIES, 9-4042, 12/29/99.
TEMP RATING165.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CLASS B FED SPEC SINGLE MATERIAL RESPONSE STEM
END CONNECTION QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 2
40398-4Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
40398-4 ASSY 40398-407Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 40398-407?
40398-407 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40398-407?
There are 2 known substitutes for 40398-407: 40398-4, 40398-4 ASSY 40398-407. Substitute compatibility should be verified for your specific system.
What is the NSN for 40398-407?
40398-407 is cataloged in the U.S. Government catalog under NSN 4820-01-481-2587. This indicates validated use in U.S. government and defense supply chains.
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