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D139-2/5-020 ITEM 7AND8 — 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 PARTS KIT,BUTTERFLY VALVE is a the manufacturer industrial component. Key specifications include nonsupply_items_and_quantities: DISK SCREWS 2;O-RING 2. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-142-1647, 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
D139-2/5-020 ITEM 7AND8
NSN: 4820-01-142-1647
FSC: 4820
CAGE: 04613 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP (USA)
SPECIFICATIONS
component_quantity4
nonsupply_items_and_quantitiesDISK SCREWS 2;O-RING 2
NSN4820-01-142-1647
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D139-2/5-020 ITEM 7AND8 · 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
•
NONSUPPLY ITEMS AND QUANTITIES: DISK SCREWS 2;O-RING 2
•
COMPONENT QUANTITY: 4
TECHNICAL CHARACTERISTICS
NONSUPPLY ITEMS AND QUANTITIESDISK SCREWS 2;O-RING 2
COMPONENT QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
800532InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20003 ITEM NO. 30InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
20003InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
80053 ASSY 2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
144-935-020-100-001InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
4820PL1263242InterchangeableGOVERNMENT REGISTRY
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D139-2/5-020 ITEM 7AND8?
D139-2/5-020 ITEM 7AND8 is a PARTS KIT,BUTTERFLY VALVE.
What parts can replace D139-2/5-020 ITEM 7AND8?
There are 6 known substitutes for D139-2/5-020 ITEM 7AND8: 800532, 20003 ITEM NO. 30, 20003 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D139-2/5-020 ITEM 7AND8?
D139-2/5-020 ITEM 7AND8 is cataloged in the Federal Logistics Information System under NSN 4820-01-142-1647. 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