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D139-8-540 — PARTS KIT,BUTTERFLY VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D139-8-540: PARTS KIT,BUTTERFLY VALVE.

The PARTS KIT,BUTTERFLY VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, valve_size: 8.000 INCHES IN, end_item_name: BUTTERFLY VALVE U/O THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS, end_item_source: 04613, style_designator: STRAIGHT THRU, mounting_facility: WAFER. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-421-5230, 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
D139-8-540
NSN: 4820-01-421-5230
NIINs: 014215230, 014215281, 014215284, 014215285
FSC: 4820 — Valves, Nonpowered
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
materialRUBBER OVERALL
valve_size8.000 INCHES IN
end_item_nameBUTTERFLY VALVE U/O THE STRATEGIC SEALIFT CONVERSION SHIPS CLASS
end_item_source04613
style_designatorSTRAIGHT THRU
mounting_facilityWAFER
component_quantity3
valve_operation_methodMANUAL
end_item_identificationKEYSTONE BUTTERFLY VALVE NO. 540-703-080-139-050 U/O THE STATEGIC SEALIFT CONVERSION SHIPS CLASS
media_for_which_designedWATER, SALT SINGLE RESPONSE
nonsupply_items_and_quantitiesSCREWS 2;O-RINGS 2
NSN4820-01-421-5230
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D139-8-540 · 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: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONKEYSTONE BUTTERFLY VALVE NO. 540-703-080-139-050 U/O THE STATEGIC SEALIFT CONVERSION SHIPS CLASS
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
D139-8-540 ITEM 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D139-8-540?
D139-8-540 is a PARTS KIT,BUTTERFLY VALVE.
What parts can replace D139-8-540?
There is 1 known substitute for D139-8-540: D139-8-540 ITEM 4. Substitute compatibility should be verified for your specific system.
What is the NSN for D139-8-540?
D139-8-540 is cataloged in the U.S. Government catalog under NSN 4820-01-421-5230. This indicates validated use in U.S. government and defense supply chains.
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