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PartsTable / COMPONENT / 40104-801
40104-801 ✓ 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,REGULATING,TEMPERATURE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 922 BODY, body_style: STRAIGHT THRU, temp_adjustability: ADJUSTABLE, flow_control_device: DOUBLE SEATED, first_end_connection_type: UNTHREADED INTERNAL TUBE, first_end_style_designator: STREAMLINED WITH ONE BRAZING RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-216-1089, 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
40104-801
NSN: 4820-01-216-1089
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 BODY
body_styleSTRAIGHT THRU
temp_adjustabilityADJUSTABLE
flow_control_deviceDOUBLE SEATED
end_connection_quantity2
first_end_connection_typeUNTHREADED INTERNAL TUBE
first_end_style_designatorSTREAMLINED WITH ONE BRAZING RING
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
second_end_relationship_with_first_endIDENTICAL
first_end_outside_diameter_tube_accommodated1.500 INCHES NOMINAL IN
NSN4820-01-216-1089
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40104-801 · 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
•
MATERIAL: NICKEL ALLOY SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
•
FLOW CONTROL DEVICE: DOUBLE SEATED
•
END CONNECTION QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY SEAT
MATERIALNICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MATERIALCOPPER ALLOY 922 BODY
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
FLOW CONTROL DEVICEDOUBLE SEATED
END CONNECTION QUANTITY2
FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED1.500 INCHES NOMINAL IN
BODY STYLESTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4010-4Interchangeable
interchangeable cross-reference
interchangeable
50-P148Interchangeable
interchangeable cross-reference
interchangeable
P148Interchangeable
interchangeable cross-reference
interchangeable
83-1502Interchangeable
interchangeable cross-reference
interchangeable
011-2049Interchangeable
interchangeable cross-reference
interchangeable
D-1-TInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40104-801?
40104-801 is a VALVE,REGULATING,TEMPERATURE.
What parts can replace 40104-801?
There are 9 known substitutes for 40104-801: 4010-4, 50-P148, P148 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40104-801?
40104-801 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-216-1089. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026