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PartsTable / COMPONENT / C-29577 PIECE 4 3 1/2IN
C-29577 PIECE 4 3 1/2IN ✓ 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 C-29577 PIECE 4 3 1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-872-0866, 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
C-29577 PIECE 4 3 1/2IN
NSN: 4820-00-872-0866
FSC: 4820
CAGE: 15645 — COOPER CAMERON CORP COOPER CAMERON VALVES DIV (USA)
SPECIFICATIONS
Part NumberC-29577 PIECE 4 3 1/2IN
NSN4820-00-872-0866
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: C-29577 PIECE 4 3 1/2IN · 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 SIZE FOR WHICH DESIGNED: 3.500 INCHES IN
•
LARGEST OUTSIDE DIAMETER: 0.719 INCHES NOMINAL IN
•
VALVE TYPE FOR WHICH DESIGNED: BUTTERFLY
•
MATERIAL: STEEL CORROSION RESISTING
•
STEM ACTUATING END TYPE: SLOTTED
TECHNICAL CHARACTERISTICS (FLIS)
VALVE SIZE FOR WHICH DESIGNED3.500 INCHES IN
LARGEST OUTSIDE DIAMETER0.719 INCHES NOMINAL IN
VALVE TYPE FOR WHICH DESIGNEDBUTTERFLY
OVERALL LENGTH2.750 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING
STEM ACTUATING END TYPESLOTTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
C-29577Interchangeable
interchangeable cross-reference
interchangeable
W3515-4N5Interchangeable
interchangeable cross-reference
interchangeable
A-29458Interchangeable
interchangeable cross-reference
interchangeable
1680-001Interchangeable
interchangeable cross-reference
interchangeable
W415-6N4Interchangeable
Same NIIN cross-reference
interchangeable
A-29457Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C-29577 PIECE 4 3 1/2IN?
C-29577 PIECE 4 3 1/2IN is a C-29577 PIECE 4 3 1/2IN.
What parts can replace C-29577 PIECE 4 3 1/2IN?
There are 7 known substitutes for C-29577 PIECE 4 3 1/2IN: C-29577, W3515-4N5, A-29458 and 4 more. Substitute compatibility should be verified for your specific system.
Is C-29577 PIECE 4 3 1/2IN still available?
C-29577 PIECE 4 3 1/2IN 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