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229-649-45 — Technical Data Sheet

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— · 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY BODY, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 0.750 INCHES NOMINAL IN, style_designator: PLAIN THREADED, nominal_thread_size: 1.625 INCHES SINGLE THREADED PORTION IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-252-2630, 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
229-649-45
NSN: 4820-01-252-2630
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY BODY
thread_class2A SINGLE THREADED PORTION A
thread_length0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height0.750 INCHES NOMINAL IN
style_designatorPLAIN THREADED
nominal_thread_size1.625 INCHES SINGLE THREADED PORTION IN
body_inside_diameter1.250 INCHES NOMINAL IN
seating_surface_shapeO-RING
thread_quantity_per_inch14 SINGLE THREADED PORTION
thread_series_designatorUNS SINGLE THREADED PORTION
NSN4820-01-252-2630
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 229-649-45 · 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
•
STYLE DESIGNATOR: PLAIN THREADED
•
THREAD SERIES DESIGNATOR: UNS SINGLE THREADED PORTION
•
MATERIAL: NICKEL ALLOY BODY
•
NOMINAL THREAD SIZE: 1.625 INCHES SINGLE THREADED PORTION IN
•
BODY INSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
THREAD LENGTH: 0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
SEATING SURFACE SHAPE: O-RING
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORPLAIN THREADED
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
MATERIALNICKEL ALLOY BODY
NOMINAL THREAD SIZE1.625 INCHES SINGLE THREADED PORTION IN
BODY INSIDE DIAMETER1.250 INCHES NOMINAL IN
THREAD LENGTH0.219 INCHES NOMINAL SINGLE THREADED PORTION IN
THREAD CLASS2A SINGLE THREADED PORTION A
SEATING SURFACE SHAPEO-RING
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
OVERALL HEIGHT0.750 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
T683PCRBX204N15Interchangeable
interchangeable cross-reference
interchangeable
11497U2U045KInterchangeable
interchangeable cross-reference
interchangeable
N-656 PC 10Interchangeable
interchangeable cross-reference
interchangeable
N-730Interchangeable
interchangeable cross-reference
interchangeable
21601Interchangeable
interchangeable cross-reference
interchangeable
N-464 PC 15Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 229-649-45?
229-649-45 is a SEAT,VALVE.
What parts can replace 229-649-45?
There are 14 known substitutes for 229-649-45: T683PCRBX204N15, 11497U2U045K, N-656 PC 10 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 229-649-45?
229-649-45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-252-2630. 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: September 2026