Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-522-6001 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-522-6001 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-522-6001. Primary manufacturer part number: 21107977-MOD-OPR.
4820-01-522-6001 — No Item Name Available illustration
Features
Gear Operator,valve — FSC 4820
Gear Ratio: 30 TO 1
Gear Type: WORM
3 verified cross-references
Primary manufacturer: Electric Boat Corporation Div General Dynamics Electric Boat
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 4820-01-522-6001, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-522-6001
Primary Part Number
21107977-MOD-OPR
Item Name
Gear Operator,valve
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Electric Boat Corporation Div General Dynamics Electric Boat
NSN 4820-01-522-6001 is a Gear Operator,valve, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: active.
What are the part numbers for NSN 4820-01-522-6001?
NSN 4820-01-522-6001 has 3 cross-referenced part numbers: 21107977-MOD-OPR (Electric Boat Corporation Div General Dynamics Electric Boat), 420-11 (Emerson Automation Solutions Final Control Us Lp), D420-11-8-396 (Emerson Automation Solutions Final Control Us Lp).
What NSN replaces 4820-01-522-6001?
There are 11 known substitutes for 4820-01-522-6001: 2815-00-150-7407, 5999-00-504-9459, 3120-00-593-0401 and 8 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 21107977-MOD-OPR?
Key specifications for 21107977-MOD-OPR: Part Name Assigned by Controlling Agency: HANDWHEEL GEAR OPERATOR AS MODIFIED BY ELECTRIC BOAT.; End Item Identification: SEAWOLF CLASS SSN; Gear Ratio: 30 TO 1; Gear Type: WORM. 4 total characteristics are documented in the Federal Logistics Information System.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.