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28493N ✓ 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 GUIDE,VALVE STEM is a the manufacturer industrial component. Key specifications include material: STEEL COMP E52100 OVERALL, bore_shape: STRAIGHT, bore_diameter: 0.2500 INCHES NOMINAL IN, overall_width: 0.2812 INCHES NOMINAL IN, load_direction: RADIAL, surface_finish: GROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-273-3334, 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
28493N
NSN: 4820-01-273-3334
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP E52100 OVERALL
bore_shapeSTRAIGHT
bore_diameter0.2500 INCHES NOMINAL IN
overall_width0.2812 INCHES NOMINAL IN
load_directionRADIAL
surface_finishGROUND
shield_quantity2
style_designatorNON-LOADING GROOVE, NON-SEPARABLE
internal_clearance0.0004 INCHES MINIMUM RADIAL AND 0.0009 INCHES MAXIMUM RADIAL IN
lubrication_materialGREASE
overall_outside_diameter0.7500 INCHES NOMINAL IN
retainer_fabrication_methodPRESSED
NSN4820-01-273-3334
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28493N · 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 5
N47451Interchangeable
interchangeable cross-reference
interchangeable
28493N PART 8Interchangeable
interchangeable cross-reference
interchangeable
47451Interchangeable
interchangeable cross-reference
interchangeable
537740058Interchangeable
Same NIIN cross-reference
interchangeable
28493N PART 10Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28493N?
28493N is a GUIDE,VALVE STEM.
What parts can replace 28493N?
There are 5 known substitutes for 28493N: N47451, 28493N PART 8, 47451 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28493N?
28493N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-273-3334. 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