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Technical Data Sheet
PartsTable / COMPONENT / B-1723
B-1723 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 SEAT, body_width: 2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN, body_height: 2.783 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN, body_length: 3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN, inclosure_type: FULLY INCLOSED, mounting_method: SLOT SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1787, 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
B-1723
NSN: 4820-00-036-1787
FSC: 4820
CAGE: 75954 — KUNKLE INDUSTRIES INC LONERGAN VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 304 SEAT
body_width2.970 INCHES MINIMUM AND 3.030 INCHES MAXIMUM IN
body_height2.783 INCHES MINIMUM AND 2.843 INCHES MAXIMUM IN
body_length3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN
inclosure_typeFULLY INCLOSED
mounting_methodSLOT SINGLE GROUP
features_providedCOLOR CODED LEAD AND TINNED WIRE LEADS
mounting_slot_width0.189 INCHES MINIMUM AND 0.249 INCHES MAXIMUM SINGLE GROUP IN
winding_power_rating70.0 VOLTS-AMPERES SINGLE COMPONENT FIRST SECONDARY
reliability_indicatorNOT ESTABLISHED
end_item_identificationLONERGAN JE CO SAFETY RELIEF VALVE MODEL NO. V119.1
winding_operating_current1.0 AMPERES AC NOMINAL SINGLE COMPONENT SECOND SECONDARY
NSN4820-00-036-1787
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-1723 · 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 COMP 304 SEAT
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 304 SEAT
END ITEM IDENTIFICATIONLONERGAN JE CO SAFETY RELIEF VALVE MODEL NO. V119.1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SC-B-69409Interchangeable
interchangeable cross-reference
interchangeable
685LXInterchangeable
interchangeable cross-reference
interchangeable
SM-B-148434Interchangeable
interchangeable cross-reference
interchangeable
52318Interchangeable
interchangeable cross-reference
interchangeable
1757-9277Interchangeable
interchangeable cross-reference
interchangeable
B170-117Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-1723?
B-1723 is a TRANSFORMER,POWER.
What parts can replace B-1723?
There are 14 known substitutes for B-1723: SC-B-69409, 685LX, SM-B-148434 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-1723?
B-1723 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-036-1787. 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