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254004 — RELAY,THERMAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

254004: RELAY,THERMAL.

The RELAY,THERMAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY CASE, seat_angle: 60.0 DEGREES FIRST END, thread_class: 3B FIRST END, hole_diameter: 0.442 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, overall_width: 1.750 INCHES NOMINAL IN, overall_height: 2.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-094-8188, 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
254004
NSN: 4810-00-094-8188
NIINs: 000948188, 005955507, 012572105, 016149340, 016894302
FSC: 4810 — Valves, Powered
CAGE: 81982 — HYDRO-AIRE AEROSPACE CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY CASE
seat_angle60.0 DEGREES FIRST END
thread_class3B FIRST END
hole_diameter0.442 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
overall_width1.750 INCHES NOMINAL IN
overall_height2.125 INCHES NOMINAL IN
overall_length3.500 INCHES NOMINAL IN
offset_distance0.625 INCHES IN
connection_styleGASKET SEAL(BOSS) FIRST END
outside_diameter0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN
special_featuresRADOME
style_designatorSPRING TENSION
NSN4810-00-094-8188
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 254004 · 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
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VOLTAGE IN VOLTS AND CURRENT TYPE: 18.0 DC AND 28.0 DC
•
CONNECTION STYLE: GASKET SEAL(BOSS) FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU W/OFFSET
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
OPERATING PRESSURE: 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
OFFSET DISTANCE: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
VOLTAGE IN VOLTS AND CURRENT TYPE18.0 DC AND 28.0 DC
CONNECTION STYLEGASKET SEAL(BOSS) FIRST END
STYLE DESIGNATORSTRAIGHT THRU W/OFFSET
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
OPERATING PRESSURE1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
OFFSET DISTANCE0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND FIRST END
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
SEAT ANGLE60.0 DEGREES FIRST END
SUBSTITUTES & CROSS-REFERENCES 2
13701-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N25400-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 254004?
254004 is a RELAY,THERMAL.
What parts can replace 254004?
There are 2 known substitutes for 254004: 13701-4, N25400-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 254004?
254004 is cataloged in the U.S. Government catalog under NSN 4810-00-094-8188. This indicates validated use in U.S. government and defense supply chains.
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