PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40221/6-GSC-000Housing Part,mechanical Drive

Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque · NSN 3040-01-551-4558 · FSC 3040 · No Item Name Available
Verified by PartsTable
NSN 3040-01-551-4558 — this item is cataloged by the U.S. Government under National Stock Number 3040-01-551-4558. Primary manufacturer part number: 40221/6-GSC-000.
Features
  • Housing Part,mechanical Drive — FSC 3040
  • Material: COPPER ALLOY
  • General Characteristics Item Description: TOP COVER OF MULTI-TURN VALVE ACTUATOR WITH HIGH-PROFILE STEM POSITION INDICATOR
  • 3 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
Applications
  • Applications requiring Copper Alloy construction
General Description

The Housing Part,mechanical Drive, cataloged under National Stock Number 3040-01-551-4558, is classified within Federal Supply Class 3040 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3040-01-551-4558
Primary Part Number40221/6-GSC-000
Item NameHousing Part,mechanical Drive
FSC / FSG3040 / 30 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
StatusACTIVE
MaterialCOPPER ALLOY
General Characteristics Item DescriptionTOP COVER OF MULTI-TURN VALVE ACTUATOR WITH HIGH-PROFILE STEM POSITION INDICATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4810-01-549-360047693-1A11-081 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
3020-01-549-361440201-999-000 INTERCHANGEABLE
Gear Operator,rotary
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
6680-01-550-810540221/61-999-000 INTERCHANGEABLE
Indicator,sight,liquid
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
4810-01-551-289047693-1A18-000 INTERCHANGEABLE
Actuator,hydraulic-Pneumatic,rot
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque
Cross-Reference Index
Part NumberManufacturer
47693 PL FN5 P/N 40221/6-GSC-000 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)
47693 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)
40221/6-GSC-000 PRIMARY Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque (USA)
Related Parts
4810-01-549-3600INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
47693-1A11-081
3020-01-549-3614INTERCHANGEABLE
GEAR OPERATOR,ROTARY
40201-999-000
6680-01-550-8105INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
40221/61-999-000
4810-01-551-2890INTERCHANGEABLE
ACTUATOR,HYDRAULIC-PNEUMATIC,ROT
47693-1A18-000

Frequently Asked Questions

What is NSN 3040-01-551-4558?

NSN 3040-01-551-4558 is a Housing Part,mechanical Drive, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque, classified under FSC 3040 (No Item Name Available). Status: active.

What are the part numbers for NSN 3040-01-551-4558?

NSN 3040-01-551-4558 has 3 cross-referenced part numbers: 47693 PL FN5 P/N 40221/6-GSC-000 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque), 47693 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque), 40221/6-GSC-000 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Curtiss-Wright / Nu-Torque).

What NSN replaces 3040-01-551-4558?

There are 4 known substitutes for 3040-01-551-4558: 4810-01-549-3600, 3020-01-549-3614, 6680-01-550-8105 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40221/6-GSC-000?

Key specifications for 40221/6-GSC-000: End Item Identification: NEW CONSTRUCTION DDG102, 104, 106, 108, 109, 111, 112; Special Features: MATERIAL: SILICON BRONZE; USED ON MULTI-TURN ACTUATOR P/N 47693-1A18-000, 4810-01-551-2890; Material: COPPER ALLOY; General Characteristics Item Description: TOP COVER OF MULTI-TURN VALVE ACTUATOR WITH HIGH-PROFILE STEM POSITION INDICATOR. 4 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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