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PartsTable / COMPONENT / B42005A
B42005A ✓ 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 DISC ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_length: 2.250 INCHES NOMINAL IN, outside_diameter: 1.115 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-481-1656, 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
B42005A
NSN: 4820-01-481-1656
FSC: 4820
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_length2.250 INCHES NOMINAL IN
outside_diameter1.115 INCHES NOMINAL IN
NSN4820-01-481-1656
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B42005A · 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 14
D4200Interchangeable
interchangeable cross-reference
interchangeable
B42004SS CPInterchangeable
interchangeable cross-reference
interchangeable
B42004SSInterchangeable
interchangeable cross-reference
interchangeable
B42009-2Interchangeable
interchangeable cross-reference
interchangeable
D4200CPInterchangeable
interchangeable cross-reference
interchangeable
D4200 ITEM 24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B42005A?
B42005A is a DISC ASSEMBLY.
What parts can replace B42005A?
There are 14 known substitutes for B42005A: D4200, B42004SS CP, B42004SS and 11 more. Substitute compatibility should be verified for your specific system.
Is B42005A still available?
B42005A 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