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PartsTable / COMPONENT / 38-304-AS
38-304-AS ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,VACUUM REGULATING is a the manufacturer industrial component. Key specifications include material: PLASTIC SILICONE FLOW CONTROL DEVICE, body_style: SINGLE CONNECTION, STRAIGHT FLOW, body_material: COPPER ALLOY, temp_adjustability: ADJUSTABLE, flow_control_device: DISK, CIRCULAR, first_end_thread_class: 1A A. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-164-3377, 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
38-304-AS
NSN: 4820-00-164-3377
FSC: 4820
CAGE: 72219 — AALBERTS INTEGRATED PIPING SYSTEMS AMERICAS, INC. (USA)
SPECIFICATIONS
materialPLASTIC SILICONE FLOW CONTROL DEVICE
body_styleSINGLE CONNECTION, STRAIGHT FLOW
body_materialCOPPER ALLOY
temp_adjustabilityADJUSTABLE
flow_control_deviceDISK, CIRCULAR
first_end_thread_class1A A
end_connection_quantity2
second_end_thread_class1A A
media_for_which_designedAMMONIA, LIQUID
first_end_connection_typeTHREADED INTERNAL HOSE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
NSN4820-00-164-3377
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 38-304-AS · 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
•
TEMP ADJUSTABILITY: ADJUSTABLE
•
FIRST END THREAD SERIES DESIGNATOR: NH
•
FIRST END INSIDE DIAMETER HOSE ACCOMMODATED: 1.375 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
SECOND END STYLE DESIGNATOR: PLAIN
•
END CONNECTION QUANTITY: 2
•
MATERIAL: PLASTIC SILICONE FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
TEMP ADJUSTABILITYADJUSTABLE
FIRST END THREAD SERIES DESIGNATORNH
FIRST END INSIDE DIAMETER HOSE ACCOMMODATED1.375 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
MATERIALPLASTIC SILICONE FLOW CONTROL DEVICE
END CONNECTION QUANTITY2
FLOW CONTROL DEVICEDISK, CIRCULAR
TEMP ADJUSTABILITYADJUSTABLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
08C02452000Interchangeable
interchangeable cross-reference
interchangeable
8AInterchangeable
interchangeable cross-reference
interchangeable
540024Interchangeable
interchangeable cross-reference
interchangeable
HANDPIECE NO. 8AInterchangeable
interchangeable cross-reference
interchangeable
H.8Interchangeable
interchangeable cross-reference
interchangeable
AMS 3040Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 38-304-AS?
38-304-AS is a VALVE,VACUUM REGULATING.
What parts can replace 38-304-AS?
There are 20 known substitutes for 38-304-AS: 08C02452000, 8A, 540024 and 17 more. Substitute compatibility should be verified for your specific system.
Is 38-304-AS still available?
38-304-AS is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026