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Technical Data Sheet
PartsTable / COMPONENT / I-1284-X ITEM 3
I-1284-X ITEM 3 ✓ 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 INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include length: 2.125 INCHES NOMINAL IN, material: RUBBER SYNTHETIC CASE, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, drive_type: DIRECT, plate_type: NEGATIVE AND POSITIVE, air_flow_rate: 34.000 CUBIC FEET PER MINUTE MAXIMUM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-250-1737, 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
I-1284-X ITEM 3
NSN: 4820-01-250-1737
FSC: 4820
CAGE: 73475 — SCHNEIDER ELECTRIC SYSTEMS USA INC (USA)
SPECIFICATIONS
length2.125 INCHES NOMINAL IN
materialRUBBER SYNTHETIC CASE
quantity1
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
drive_typeDIRECT
plate_typeNEGATIVE AND POSITIVE
air_flow_rate34.000 CUBIC FEET PER MINUTE MAXIMUM
cell_quantity6
coil_quantity8
overall_width6.812 INCHES NOMINAL IN
terminal_typeTAPER POST
flow_directionOUTWARD
NSN4820-01-250-1737
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: I-1284-X ITEM 3 · 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 6
22786Interchangeable
interchangeable cross-reference
interchangeable
781-011-004Interchangeable
interchangeable cross-reference
interchangeable
15253Interchangeable
interchangeable cross-reference
interchangeable
64AInterchangeable
interchangeable cross-reference
interchangeable
E300R59Interchangeable
interchangeable cross-reference
interchangeable
1-09087Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is I-1284-X ITEM 3?
I-1284-X ITEM 3 is a INDICATOR,VALVE OPENING.
What parts can replace I-1284-X ITEM 3?
There are 6 known substitutes for I-1284-X ITEM 3: 22786, 781-011-004, 15253 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for I-1284-X ITEM 3?
I-1284-X ITEM 3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-250-1737. 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