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801-6406709-89 — INDICATOR,VALVE OPENING

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

801-6406709-89: INDICATOR,VALVE OPENING.

The INDICATOR,VALVE OPENING is a the manufacturer industrial component. Key specifications include presentation_type: DIAL, dial_outside_diameter: 5.000 INCHES NOMINAL IN, mounting_hole_diameter: 0.171 INCHES NOMINAL IN, end_item_identification: SEAWOLF CLASS SSN, mounting_facility_type_and_quantity: 8 THREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-434-7956, 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
801-6406709-89
NSN: 4820-01-434-7956
FSC: 4820 — Valves, Nonpowered
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
presentation_typeDIAL
dial_outside_diameter5.000 INCHES NOMINAL IN
mounting_hole_diameter0.171 INCHES NOMINAL IN
end_item_identificationSEAWOLF CLASS SSN
mounting_facility_type_and_quantity8 THREADED HOLE(S)
NSN4820-01-434-7956
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 801-6406709-89 · 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
•
MOUNTING FACILITY TYPE AND QUANTITY: 8 THREADED HOLE(S)
•
MOUNTING HOLE DIAMETER: 0.171 INCHES NOMINAL IN
•
DIAL OUTSIDE DIAMETER: 5.000 INCHES NOMINAL IN
•
PRESENTATION TYPE: DIAL
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY8 THREADED HOLE(S)
MOUNTING HOLE DIAMETER0.171 INCHES NOMINAL IN
DIAL OUTSIDE DIAMETER5.000 INCHES NOMINAL IN
PRESENTATION TYPEDIAL
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
SUBSTITUTES & CROSS-REFERENCES 3
DF331106 FN-89Reference document
Same NSN cross-reference
Reference document — Secondary reference
211094780Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6406709Reference 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 801-6406709-89?
801-6406709-89 is a INDICATOR,VALVE OPENING.
What parts can replace 801-6406709-89?
There are 3 known substitutes for 801-6406709-89: DF331106 FN-89, 211094780, 6406709. Substitute compatibility should be verified for your specific system.
What is the NSN for 801-6406709-89?
801-6406709-89 is cataloged in the U.S. Government catalog under NSN 4820-01-434-7956. 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.