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A54181 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A54181: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: ALUMINUM BODY, body_style: STRAIGHT THRU, furnished_items: NUT AND SLEEVE, regulation_type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC, flow_control_device: DIAPHRAGM. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-394-2739, 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
A54181
NSN: 4820-00-394-2739
FSC: 4820 — Valves, Nonpowered
CAGE: 02432 — AMERICAN LAUNDRY MACHINERY INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialALUMINUM BODY
body_styleSTRAIGHT THRU
furnished_itemsNUT AND SLEEVE
regulation_type1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
flow_control_deviceDIAPHRAGM
valve_loading_methodWEIGHT
outlet_pressure_range7.0 TO 129.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedAIR
first_end_connection_typeTHREADED INTERNAL PIPE
first_end_style_designatorPLAIN
NSN4820-00-394-2739
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A54181 · 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: DIAPHRAGM
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
•
FIRST END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
OUTLET PRESSURE RANGE: 7.0 TO 129.0 CAMERA MOUNT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
FIRST END THREAD DIRECTIONRIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPE1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
OUTLET PRESSURE RANGE7.0 TO 129.0 CAMERA MOUNT
VALVE LOADING METHODWEIGHT
FIRST END CONNECTION TYPETHREADED INTERNAL PIPE
SUBSTITUTES & CROSS-REFERENCES 1
1036821Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A54181?
A54181 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace A54181?
There is 1 known substitute for A54181: 1036821. Substitute compatibility should be verified for your specific system.
What is the NSN for A54181?
A54181 is cataloged in the U.S. Government catalog under NSN 4820-00-394-2739. 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.