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PartsTable / COMPONENT / B512-1-B ITEM 15
B512-1-B ITEM 15 ✓ 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 STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, stem_actuating_end_type: THREADED EXTERNALLY, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-8690, 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
B512-1-B ITEM 15
NSN: 4820-01-084-8690
FSC: 4820
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 416
stem_actuating_end_typeTHREADED EXTERNALLY
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
NSN4820-01-084-8690
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B512-1-B ITEM 15 · 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
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
CRITICALITY CODE JUSTIFICATION: ZZZY
•
MATERIAL: STEEL COMP 416
TECHNICAL CHARACTERISTICS (FLIS)
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSQUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS
STEM ACTUATING END TYPETHREADED EXTERNALLY
CRITICALITY CODE JUSTIFICATIONZZZY
MATERIALSTEEL COMP 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
2010188Interchangeable
interchangeable cross-reference
interchangeable
AN3-17AInterchangeable
interchangeable cross-reference
interchangeable
195S13Interchangeable
interchangeable cross-reference
interchangeable
400450Interchangeable
interchangeable cross-reference
interchangeable
C412-0-B ITEM 15Interchangeable
interchangeable cross-reference
interchangeable
C413-0-B ITEM 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B512-1-B ITEM 15?
B512-1-B ITEM 15 is a STEM,FLUID VALVE.
What parts can replace B512-1-B ITEM 15?
There are 15 known substitutes for B512-1-B ITEM 15: 2010188, AN3-17A, 195S13 and 12 more. Substitute compatibility should be verified for your specific system.
Is B512-1-B ITEM 15 still available?
B512-1-B ITEM 15 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