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PartsTable / COMPONENT / 40548-002
40548-002 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: NICKEL ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, flow_control_device: DISK, valve_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-263-0040, 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
40548-002
NSN: 4820-01-263-0040
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
flow_control_deviceDISK
valve_loading_methodSPRING
face_to_face_distance10.062 INCHES NOMINAL IN
end_connection_quantity2
first_end_connection_typeRAISED FACE FLANGE
first_end_flange_thickness0.438 INCHES NOMINAL IN
first_end_style_designatorRAISED
first_end_bolt_hole_diameter0.625 INCHES NOMINAL IN
NSN4820-01-263-0040
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40548-002 · 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
•
FIRST END FLANGE THICKNESS: 0.438 INCHES NOMINAL IN
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
VALVE LOADING METHOD: SPRING
•
FIRST END BOLT HOLE QUANTITY: 4
•
FLOW CONTROL DEVICE: DISK
•
FIRST END FLANGE OUTSIDE DIAMETER: 4.250 INCHES NOMINAL IN
•
BODY STYLE: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END FLANGE THICKNESS0.438 INCHES NOMINAL IN
REGULATION TYPEAUTOMATIC SINGLE STAGE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
VALVE LOADING METHODSPRING
FIRST END BOLT HOLE QUANTITY4
FLOW CONTROL DEVICEDISK
FIRST END FLANGE OUTSIDE DIAMETER4.250 INCHES NOMINAL IN
BODY STYLESTRAIGHT THRU
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIALNICKEL ALLOY STEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
40548Interchangeable
interchangeable cross-reference
interchangeable
9000F141PC15Interchangeable
interchangeable cross-reference
interchangeable
HT199Interchangeable
interchangeable cross-reference
interchangeable
AMS 4154Interchangeable
interchangeable cross-reference
interchangeable
10119Interchangeable
interchangeable cross-reference
interchangeable
FS50105-2018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40548-002?
40548-002 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40548-002?
There are 18 known substitutes for 40548-002: 40548, 9000F141PC15, HT199 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40548-002?
40548-002 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-263-0040. 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