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PartsTable / COMPONENT / 23255 PIECE 5A
23255 PIECE 5A ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL OVERALL, overall_length: 60.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: OXIDE OVERALL, internal_drive_style: HEXAGON. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-209-3356, 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
23255 PIECE 5A
NSN: 4820-01-209-3356
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
overall_length60.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentOXIDE OVERALL
internal_drive_styleHEXAGON
end_item_identificationMINE PROTECTED CLEARANCE VEHICLE NSN 2355-01-567-4930
part_name_assigned_by_controlling_agency5/16-18X1 ALLOY PLAIN FINISH SOCKET HEAD CAP SCREW
NSN4820-01-209-3356
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 23255 PIECE 5A · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
65882Interchangeable
interchangeable cross-reference
interchangeable
23255Interchangeable
interchangeable cross-reference
interchangeable
G25H4-8Interchangeable
interchangeable cross-reference
interchangeable
24120R9 PART 23255Interchangeable
interchangeable cross-reference
interchangeable
12759-00939Interchangeable
interchangeable cross-reference
interchangeable
6515NCM116206Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23255 PIECE 5A?
23255 PIECE 5A is a SEAT,VALVE.
What parts can replace 23255 PIECE 5A?
There are 10 known substitutes for 23255 PIECE 5A: 65882, 23255, G25H4-8 and 7 more. Substitute compatibility should be verified for your specific system.
Is 23255 PIECE 5A still available?
23255 PIECE 5A is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026