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801-6404052-99 — LOCKING DEVICE,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6404052-99: LOCKING DEVICE,VALVE.

The LOCKING DEVICE,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES QQ-S-766 CL 304 COND A. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-349-4444, 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
801-6404052-99
NSN: 4820-01-349-4444
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES QQ-S-766 CL 304 COND A
NSN4820-01-349-4444
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6404052-99 · 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: CRES QQ-S-766 CL 304 COND A
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES QQ-S-766 CL 304 COND A
SUBSTITUTES & CROSS-REFERENCES 2
DF330614 FIND 99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
801-6404052Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 801-6404052-99?
801-6404052-99 is a LOCKING DEVICE,VALVE.
What parts can replace 801-6404052-99?
There are 2 known substitutes for 801-6404052-99: DF330614 FIND 99, 801-6404052. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6404052-99?
801-6404052-99 is cataloged in the U.S. Government catalog under NSN 4820-01-349-4444. 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.