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Technical Data Sheet
PartsTable / COMPONENT / BB57S4901ALT,DPC219
BB57S4901ALT,DPC219 ✓ 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 BB57S4901ALT,DPC219 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-168-8744, 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
BB57S4901ALT,DPC219
NSN: 4820-00-168-8744
FSC: 4820
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part NumberBB57S4901ALT,DPC219
NSN4820-00-168-8744
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BB57S4901ALT,DPC219 · 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
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
XSK-7219Interchangeable
interchangeable cross-reference
interchangeable
30219Interchangeable
interchangeable cross-reference
interchangeable
7219Interchangeable
interchangeable cross-reference
interchangeable
150-573HPC226Interchangeable
interchangeable cross-reference
interchangeable
30-226Interchangeable
interchangeable cross-reference
interchangeable
150-589Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BB57S4901ALT,DPC219?
BB57S4901ALT,DPC219 is a BB57S4901ALT,DPC219.
What parts can replace BB57S4901ALT,DPC219?
There are 21 known substitutes for BB57S4901ALT,DPC219: XSK-7219, 30219, 7219 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BB57S4901ALT,DPC219?
BB57S4901ALT,DPC219 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-168-8744. 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