PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILG18330TYPECCLASSNSCompass,gyro

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6605-00-527-7121 · FSC 6605 · No Item Name Available
Verified by PartsTable
NSN 6605-00-527-7121 — this item is cataloged by the U.S. Government under National Stock Number 6605-00-527-7121. Primary manufacturer part number: MILG18330TYPECCLASSNS.
Features
  • Compass,gyro — FSC 6605
  • Transmission Type: SYNCHRO
  • Rotor Quantity: 1
  • Current Type: AC
  • Rotor Function: SEEKS MERIDIAN
  • Rotor Speed in RPM: 6000.0
  • Nondefinitive Spec/std Data: A TYPE AND FL CLASS
  • Rotor Weight: 47.0 POUNDS LBS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Compass,gyro, cataloged under National Stock Number 6605-00-527-7121, is classified within Federal Supply Class 6605 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 14 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: Active.

Technical Specifications
ParameterValue
NSN6605-00-527-7121
Primary Part NumberMILG18330TYPECCLASSNS
Item NameCompass,gyro
FSC / FSG6605 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Transmission TypeSYNCHRO
Rotor Quantity1
Current TypeAC
Rotor FunctionSEEKS MERIDIAN
Rotor Speed in RPM6000.0
Nondefinitive Spec/std DataA TYPE AND FL CLASS
Rotor Weight47.0 POUNDS LBS
Reference Number Differentiating CharacteristicsW/BINNACLE
PhaseSINGLE
Stabilizing FeatureNOT INCLUDED
Voltage in Volts115.0
Pendulous CharacteristicNONPENDULOUS
Frequency in Hertz60.0
Speed/latitude Correction MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6605-00-530-0208648791 INTERCHANGEABLE
Compass,gyro
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
MILG18330TYPECCLASSNS Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
649292 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
6605-00-530-0208INTERCHANGEABLE
COMPASS,GYRO
648791

Frequently Asked Questions

What is NSN 6605-00-527-7121?

NSN 6605-00-527-7121 is a Compass,gyro, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6605 (No Item Name Available). Status: active.

What are the part numbers for NSN 6605-00-527-7121?

NSN 6605-00-527-7121 has 2 cross-referenced part numbers: MILG18330TYPECCLASSNS (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 649292 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 6605-00-527-7121?

There is 1 known substitute for 6605-00-527-7121: 6605-00-530-0208. Verify interchangeability with system specifications before substitution.

What are the specifications of MILG18330TYPECCLASSNS?

Key specifications for MILG18330TYPECCLASSNS: Transmission Type: SYNCHRO; Rotor Quantity: 1; Current Type: AC; Rotor Function: SEEKS MERIDIAN. 14 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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