PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

501-7066644-INS14Gear Operator,valve

Naval Sea Systems Command · NSN 4820-01-497-4387 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-497-4387 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-497-4387. Primary manufacturer part number: 501-7066644-INS14.
Features
  • Gear Operator,valve — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Operator,valve, cataloged under National Stock Number 4820-01-497-4387, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-497-4387
Primary Part Number501-7066644-INS14
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-01-497-4385501-7066644-INS13 INTERCHANGEABLE
Gear Operator,valve
Naval Sea Systems Command
3040-01-497-68502641-792-03 ASSY 223 INTERCHANGEABLE
Housing,mechanical Drive
Electric Boat Corporation Div General Dynamics Electric Boat
Cross-Reference Index
Part NumberManufacturer
501-7066644-INS14 PRIMARY Naval Sea Systems Command (USA)
H525-7606 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H525-7606-INS14 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
501-7066644 Naval Sea Systems Command (USA)
Related Parts
4820-01-497-4385INTERCHANGEABLE
GEAR OPERATOR,VALVE
501-7066644-INS13
3040-01-497-6850INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
2641-792-03 ASSY 223

Frequently Asked Questions

What is NSN 4820-01-497-4387?

NSN 4820-01-497-4387 is a Gear Operator,valve, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-497-4387?

NSN 4820-01-497-4387 has 4 cross-referenced part numbers: 501-7066644-INS14 (Naval Sea Systems Command), H525-7606 (Electric Boat Corporation Div General Dynamics Electric Boat), H525-7606-INS14 (Electric Boat Corporation Div General Dynamics Electric Boat), 501-7066644 (Naval Sea Systems Command).

What NSN replaces 4820-01-497-4387?

There are 2 known substitutes for 4820-01-497-4387: 4820-01-497-4385, 3040-01-497-6850. Verify interchangeability with system specifications before substitution.

What are the specifications of 501-7066644-INS14?

Key specifications for 501-7066644-INS14: Part Name Assigned by Controlling Agency: OPERATOR ASSEMBLY,REMOTE,MANUAL VH-14; End Item Identification: NSSN CLASS SUBMARINE, MANUAL REMOTE OPERATOR ASSEMBLY. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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