PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

647910Indicator,heading,gyroscopic

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6610-00-224-3915 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-224-3915 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-224-3915. Primary manufacturer part number: 647910.
Features
  • Indicator,heading,gyroscopic — FSC 6610
  • Scale Marking Transparency: FLUORESCENT
  • Knob Purpose: COURSE SET AND GYROSCOPE CAGING
  • Height: 5.125 INCHES NOMINAL IN
  • Accuracy Rating: 1.0 DEGREE QUADRANTS ALL INDICATORS DEGREE FAHRENHEIT
  • Color: YELLOW MARKER OVERALL
  • Mounting Facility Type and Quantity: 1 THREADED BEZEL
  • Mechanical Connection Size: 1/4 IN. PIPE TAP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,heading,gyroscopic, cataloged under National Stock Number 6610-00-224-3915, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6610-00-224-3915
Primary Part Number647910
Item NameIndicator,heading,gyroscopic
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusCANCELLED
Scale Marking TransparencyFLUORESCENT
Knob PurposeCOURSE SET AND GYROSCOPE CAGING
Height5.125 INCHES NOMINAL IN
Accuracy Rating1.0 DEGREE QUADRANTS ALL INDICATORS DEGREE FAHRENHEIT
ColorYELLOW MARKER OVERALL
Mounting Facility Type and Quantity1 THREADED BEZEL
Mechanical Connection Size1/4 IN. PIPE TAP IN
Mechanical Connection Quantity4
Width4.500 INCHES NOMINAL IN
Depth6.875 INCHES NOMINAL IN
Knob Quantity1
Scale MarkingLETTERS AND NUMERALS
Mechanical Connection TypePIPE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6610-00-514-6171 INTERCHANGEABLE
Indicator,heading,gyroscopic
Cross-Reference Index
Part NumberManufacturer
647910 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
AN5735-1 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6610-00-514-6171INTERCHANGEABLE
INDICATOR,HEADING,GYROSCOPIC

Frequently Asked Questions

What is NSN 6610-00-224-3915?

NSN 6610-00-224-3915 is a Indicator,heading,gyroscopic, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6610 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6610-00-224-3915?

NSN 6610-00-224-3915 has 2 cross-referenced part numbers: 647910 (Lockheed Martin Corporation Div Rms - Mitchel Field), AN5735-1 (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6610-00-224-3915?

There is 1 known substitute for 6610-00-224-3915: 6610-00-514-6171. Verify interchangeability with system specifications before substitution.

What are the specifications of 647910?

Key specifications for 647910: Scale Marking Transparency: FLUORESCENT; Knob Purpose: COURSE SET AND GYROSCOPE CAGING; Height: 5.125 INCHES NOMINAL IN; Special Features: FLUORESCENT REF INDEX. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6610-00-224-3915 still in active supply?

NSN 6610-00-224-3915 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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