PartsTable
Technical Data Sheet
Download PDF

801-6406768-AY99 — GEAR OPERATOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6406768-AY99: GEAR OPERATOR,VALVE.

The GEAR OPERATOR,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: WORM GEAR DRIVE MANUAL OPERATOR, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-382-5539, 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
801-6406768-AY99
NSN: 4820-01-382-5539
NIINs: 013825539, 016417377
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationWORM GEAR DRIVE MANUAL OPERATOR
criticality_code_justificationZZZY
NSN4820-01-382-5539
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6406768-AY99 · 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
•
VALVE TYPE FOR WHICH DESIGNED: BALL
•
GEAR TYPE: WORM
•
FEATURES PROVIDED: HANDWHEEL
•
VALVE SIZE FOR WHICH DESIGNED: 4.000 INCHES IN
TECHNICAL CHARACTERISTICS
VALVE TYPE FOR WHICH DESIGNEDBALL
GEAR TYPEWORM
FEATURES PROVIDEDHANDWHEEL
VALVE SIZE FOR WHICH DESIGNED4.000 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 4
211064336Reference document
Same NSN cross-reference
Reference document — Secondary reference
211074123Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6406768 AY 99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
DF331473 AY 99Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 801-6406768-AY99?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 801-6406768-AY99?
801-6406768-AY99 is a GEAR OPERATOR,VALVE.
What parts can replace 801-6406768-AY99?
There are 4 known substitutes for 801-6406768-AY99: 211064336, 211074123, 6406768 AY 99 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6406768-AY99?
801-6406768-AY99 is cataloged in the U.S. Government catalog under NSN 4820-01-382-5539. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 801-6406768-AY99

✓ 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.