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PartsTable / COMPONENT / 40776-4 PC NO 15
40776-4 PC NO 15 ✓ 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 RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: NEW CONSTRUCTION CVN78, valve_size_for_which_designed: 1.000 INCHES IN, valve_model_number_for_which_designed: 40776-4, part_name_assigned_by_controlling_agency: RETAINER DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-585-0024, 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
40776-4 PC NO 15
NSN: 4820-01-585-0024
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
end_item_identificationNEW CONSTRUCTION CVN78
valve_size_for_which_designed1.000 INCHES IN
valve_model_number_for_which_designed40776-4
part_name_assigned_by_controlling_agencyRETAINER DISK
NSN4820-01-585-0024
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40776-4 PC NO 15 · 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
•
VALVE MODEL NUMBER FOR WHICH DESIGNED: 40776-4
•
VALVE SIZE FOR WHICH DESIGNED: 1.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE MODEL NUMBER FOR WHICH DESIGNED40776-4
VALVE SIZE FOR WHICH DESIGNED1.000 INCHES IN
END ITEM IDENTIFICATIONNEW CONSTRUCTION CVN78
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER DISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
D72802Interchangeable
interchangeable cross-reference
interchangeable
224771Interchangeable
interchangeable cross-reference
interchangeable
72802Interchangeable
interchangeable cross-reference
interchangeable
B411M36Interchangeable
interchangeable cross-reference
interchangeable
37366Interchangeable
interchangeable cross-reference
interchangeable
13219E2822PC2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40776-4 PC NO 15?
40776-4 PC NO 15 is a RETAINER,DISK,VALVE.
What parts can replace 40776-4 PC NO 15?
There are 9 known substitutes for 40776-4 PC NO 15: D72802, 224771, 72802 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40776-4 PC NO 15?
40776-4 PC NO 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-585-0024. 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