PartsTable
Technical Data Sheet

S90014/300449 — PARTS KIT,CHECK VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

S90014/300449: PARTS KIT,CHECK VALVE.

The PARTS KIT,CHECK VALVE is a the manufacturer industrial component. Key specifications include height: 1.688 INCHES NOMINAL IN, material: COPPER ALLOY BODY, valve_size: 3.000 INCHES IN, flange_shape: ROUND WITH HOLES ALL ENDS, overall_length: 18.000 INCHES NOMINAL IN, connection_type: FLANGE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-191-8539, 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
S90014/300449
NSN: 4820-01-191-8539
FSC: 4820 — Valves, Nonpowered
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
height1.688 INCHES NOMINAL IN
materialCOPPER ALLOY BODY
valve_size3.000 INCHES IN
flange_shapeROUND WITH HOLES ALL ENDS
port_quantity2
overall_length18.000 INCHES NOMINAL IN
connection_typeFLANGE ALL ENDS
outside_diameter4.110 INCHES NOMINAL IN
style_designatorSTRAIGHT THRU FLANGED ENDS
mounting_positionHORIZONTAL
nominal_thickness1.375 INCHES ALL ENDS IN
bolt_hole_quantity8 ALL ENDS
NSN4820-01-191-8539
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: S90014/300449 · 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
SUBSTITUTES & CROSS-REFERENCES 2
NS-3981Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
NS-3981 ASSEMBLY E FIND 21Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S90014/300449?
S90014/300449 is a PARTS KIT,CHECK VALVE.
What parts can replace S90014/300449?
There are 2 known substitutes for S90014/300449: NS-3981, NS-3981 ASSEMBLY E FIND 21. Substitute compatibility should be verified for your specific system.
What is the NSN for S90014/300449?
S90014/300449 is cataloged in the U.S. Government catalog under NSN 4820-01-191-8539. This indicates validated use in U.S. government and defense supply chains.
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