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N37686 — COVER,DIAPHRAGM DISK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N37686: COVER,DIAPHRAGM DISK.

The COVER,DIAPHRAGM DISK is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,9-1/2 IN.OD,HOLE 3/4 @IN.DIA,2 IN.W IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-138-2073, 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
N37686
NSN: 4820-00-138-2073
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,9-1/2 IN.OD,HOLE 3/4 @IN.DIA,2 IN.W IN
NSN4820-00-138-2073
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N37686 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,9-1/2 IN.OD,HOLE 3/4 @IN.DIA,2 IN.W IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,9-1/2 IN.OD,HOLE 3/4 @IN.DIA,2 IN.W IN
SUBSTITUTES & CROSS-REFERENCES 1
37686Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 N37686?
N37686 is a COVER,DIAPHRAGM DISK.
What parts can replace N37686?
There is 1 known substitute for N37686: 37686. Substitute compatibility should be verified for your specific system.
What is the NSN for N37686?
N37686 is cataloged in the U.S. Government catalog under NSN 4820-00-138-2073. 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.