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5420-8 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
Legrand · GATE VALVE
PRODUCT OVERVIEW

5420-8: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a Legrand industrial component. Key specifications include material: COPPER CONDUCTOR ACCOMMODATION, overall_width: 0.672 INCHES IN, overall_length: 2.062 INCHES IN, furnished_items: METAL BOX, basic_shape_style: CRIMP, surface_treatment: TIN CONDUCTOR ACCOMMODATION SINGLE LAYER. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-676-8147, 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
5420-8
NSN: 4820-00-676-8147
NIINs: 006768147, 007689203, 011277172, 014304530
FSC: 4820 — Valves, Nonpowered
CAGE: 86035 — CALGON CORP (USA)
SPECIFICATIONS
materialCOPPER CONDUCTOR ACCOMMODATION
overall_width0.672 INCHES IN
overall_length2.062 INCHES IN
furnished_itemsMETAL BOX
basic_shape_styleCRIMP
surface_treatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
component_quantity16
material_thickness0.125 INCHES IN
mounting_method_styleSTRAIGHT TWO HOLE
mounting_tongue_width0.672 INCHES IN
mounting_hole_diameter0.250 INCHES IN
end_item_identification6685-00-764-9381
NSN4820-00-676-8147
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5420-8 · Legrand ⚠ 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: PRESSURE REDUCING
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONPRESSURE REDUCING
END ITEM IDENTIFICATION6685-00-764-9381
SUBSTITUTES & CROSS-REFERENCES 3
539561PC8Reference document
Same NSN cross-reference
Reference document — Secondary reference
5420-008Reference document
Same NSN cross-reference
Reference document — Secondary reference
1078F38Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5420-8?
5420-8 is a DIAPHRAGM,VALVE,FLAT manufactured by Legrand.
What parts can replace 5420-8?
There are 3 known substitutes for 5420-8: 539561PC8, 5420-008, 1078F38. Substitute compatibility should be verified for your specific system.
What is the NSN for 5420-8?
5420-8 is cataloged in the U.S. Government catalog under NSN 4820-00-676-8147. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.