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PartsTable / COMPONENT / B3129 ITEM 15
B3129 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 DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include exterior_color: BLUE, end_item_identification: GAUGE SET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-130-1711, 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
B3129 ITEM 15
NSN: 4820-01-130-1711
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
exterior_colorBLUE
end_item_identificationGAUGE SET
NSN4820-01-130-1711
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B3129 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ESP-F-1.321-PPInterchangeable
interchangeable cross-reference
interchangeable
877-014CInterchangeable
interchangeable cross-reference
interchangeable
4028-34-00Interchangeable
interchangeable cross-reference
interchangeable
22004Interchangeable
interchangeable cross-reference
interchangeable
1930-0010Interchangeable
interchangeable cross-reference
interchangeable
189F585Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B3129 ITEM 15?
B3129 ITEM 15 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace B3129 ITEM 15?
There are 15 known substitutes for B3129 ITEM 15: ESP-F-1.321-PP, 877-014C, 4028-34-00 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B3129 ITEM 15?
B3129 ITEM 15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-130-1711. 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