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Technical Data Sheet
PartsTable / COMPONENT / 40406-1 PC 26
40406-1 PC 26 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, overall_height: 0.3750 INCHES NOMINAL IN, inside_diameter: 0.8438 INCHES NOMINAL IN, outside_diameter: 5.000 INCHES NOMINAL IN, style_designator: PLAIN, end_item_identification: 4 IN. TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-414-8109, 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
40406-1 PC 26
NSN: 4820-01-414-8109
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
overall_height0.3750 INCHES NOMINAL IN
inside_diameter0.8438 INCHES NOMINAL IN
outside_diameter5.000 INCHES NOMINAL IN
style_designatorPLAIN
end_item_identification4 IN. TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE IN
media_for_which_designedWATER, SALT
NSN4820-01-414-8109
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40406-1 PC 26 · 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
•
OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: WATER, SALT
•
STYLE DESIGNATOR: PLAIN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
INSIDE DIAMETER: 0.8438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATION4 IN. TRAC STYLE H SEAWATER PRESSURE REDUCING VALVE IN
OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
STYLE DESIGNATORPLAIN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OVERALL HEIGHT0.3750 INCHES NOMINAL IN
INSIDE DIAMETER0.8438 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
416821-3-FKInterchangeable
interchangeable cross-reference
interchangeable
6309DIN625Interchangeable
interchangeable cross-reference
interchangeable
309KInterchangeable
interchangeable cross-reference
interchangeable
6091484-1Interchangeable
interchangeable cross-reference
interchangeable
8420-1Interchangeable
interchangeable cross-reference
interchangeable
3201-05-71Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40406-1 PC 26?
40406-1 PC 26 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 40406-1 PC 26?
There are 17 known substitutes for 40406-1 PC 26: 416821-3-FK, 6309DIN625, 309K and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40406-1 PC 26?
40406-1 PC 26 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-414-8109. 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