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2BA577 ✓ 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,MODULAR RECEPTACLE,ELE. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, body_style: PLAIN, SOLID, body_width: 1.656 INCHES NOMINAL IN, bore_style: PLAIN BOTH ENDS, duty_cycle: INTERMITTENT, shaft_type: ROUND SINGLE ACTUATOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-827-5951, 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
2BA577
NSN: 4820-00-827-5951
FSC: 4820
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
body_stylePLAIN, SOLID
body_width1.656 INCHES NOMINAL IN
bore_stylePLAIN BOTH ENDS
duty_cycleINTERMITTENT
shaft_typeROUND SINGLE ACTUATOR
tooth_formSTANDARD
body_height1.312 INCHES NOMINAL IN
body_length1.656 INCHES NOMINAL IN
current_typeDC
shaft_length0.063 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
NSN4820-00-827-5951
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2BA577 · 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 17
41-501Interchangeable
interchangeable cross-reference
interchangeable
1770773Interchangeable
interchangeable cross-reference
interchangeable
GGG-T-870Interchangeable
Tweezers,craftsman's
interchangeable
7Interchangeable
Tweezers,craftsman's
interchangeable
PD5120-00-288-9685Interchangeable
Tweezers,craftsman's
interchangeable
YSD11S41-0124PCP2995C36Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2BA577?
2BA577 is a CONNECTOR,MODULAR RECEPTACLE,ELE.
What parts can replace 2BA577?
There are 17 known substitutes for 2BA577: 41-501, 1770773, GGG-T-870 and 14 more. Substitute compatibility should be verified for your specific system.
Is 2BA577 still available?
2BA577 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