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40054-401 — ARRESTER,LIGHTNING

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

40054-401: ARRESTER,LIGHTNING.

The ARRESTER,LIGHTNING is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY SEAT, body_style: STRAIGHT THRU, bulb_length: 12.000 INCHES NOMINAL IN, bulb_diameter: 1.125 INCHES NOMINAL IN, temp_adjustability: ADJUSTABLE, flow_control_device: DISK. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-281-1018, 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
MRO→ MRO_GENERAL→ 40054-401
NSN: 4820-01-281-1018
NIINs: 012811018, 016519321
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
body_styleSTRAIGHT THRU
bulb_length12.000 INCHES NOMINAL IN
bulb_diameter1.125 INCHES NOMINAL IN
temp_adjustabilityADJUSTABLE
flow_control_deviceDISK
thermostatic_elementLIQUID IMMERSION TYPE
two-way_valve_actionREVERSE ACTING
capillary_tube_length60.000 INCHES NOMINAL IN
end_connection_quantity2
first_end_connection_typeUNTHREADED INTERNAL TUBE
second_end_relationship_with_first_endIDENTICAL
NSN4820-01-281-1018
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40054-401 · 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
•
TWO-WAY VALVE ACTION: REVERSE ACTING
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
BULB LENGTH: 12.000 INCHES NOMINAL IN
•
BULB DIAMETER: 1.125 INCHES NOMINAL IN
•
END CONNECTION QUANTITY: 2
•
CAPILLARY TUBE LENGTH: 60.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
TWO-WAY VALVE ACTIONREVERSE ACTING
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
BULB LENGTH12.000 INCHES NOMINAL IN
BULB DIAMETER1.125 INCHES NOMINAL IN
END CONNECTION QUANTITY2
CAPILLARY TUBE LENGTH60.000 INCHES NOMINAL IN
FIRST END CONNECTION TYPEUNTHREADED INTERNAL TUBE
TEMP ADJUSTABILITYADJUSTABLE
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 40054-401?
40054-401 is a ARRESTER,LIGHTNING. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 40054-401?
40054-401 is cataloged in the U.S. Government catalog under NSN 4820-01-281-1018. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.