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N37684 — DIAPHRAGM,VALVE,FLAT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N37684: DIAPHRAGM,VALVE,FLAT.

The DIAPHRAGM,VALVE,FLAT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, nut_style: ROUND, nut_thickness: 0.500 INCHES NOMINAL IN, overall_width: 1.125 INCHES NOMINAL IN, overall_height: 0.062 INCHES NOMINAL IN, overall_length: 3.870 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-130-8241, 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
N37684
NSN: 4820-01-130-8241
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
nut_styleROUND
nut_thickness0.500 INCHES NOMINAL IN
overall_width1.125 INCHES NOMINAL IN
overall_height0.062 INCHES NOMINAL IN
overall_length3.870 INCHES NOMINAL IN
features_providedELECTROSTATIC SENSITIVE
nominal_thread_size3.875 INCHES IN
drive_point_quantity12
end_item_identificationC-5 AIRCRAFT
thread_quantity_per_inch12
criticality_code_justificationCBBL
NSN4820-01-130-8241
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N37684 · 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 1
37684Reference 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 N37684?
N37684 is a DIAPHRAGM,VALVE,FLAT.
What parts can replace N37684?
There is 1 known substitute for N37684: 37684. Substitute compatibility should be verified for your specific system.
What is the NSN for N37684?
N37684 is cataloged in the U.S. Government catalog under NSN 4820-01-130-8241. 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.