PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121672-01Gyroscope,displacement

Ge Aviation Systems Llc · NSN 6615-00-550-6628 · FSC 6615 · No Item Name Available
Verified by PartsTable
NSN 6615-00-550-6628 — this item is cataloged by the U.S. Government under National Stock Number 6615-00-550-6628. Primary manufacturer part number: 121672-01.
Features
  • Gyroscope,displacement — FSC 6615
  • Freedom Axis Quantity: 2
  • Nondefinitive Spec/std Data: MD-1 TYPE
  • Axis Displacement Limitation in Deg: ROLL AXIS DISPLACEMENT UNLIMITED; PITCH AXIS DISPLACEMENT PORM 82 DEG
  • Current Type: AC
  • Gimbal Quantity: 2
  • Phase: THREE
  • Shock Mount: PROVIDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gyroscope,displacement, cataloged under National Stock Number 6615-00-550-6628, is classified within Federal Supply Class 6615 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ge Aviation Systems Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6615-00-550-6628
Primary Part Number121672-01
Item NameGyroscope,displacement
FSC / FSG6615 / 66 — No Item Name Available
ManufacturerGe Aviation Systems Llc
StatusCANCELLED
Freedom Axis Quantity2
Nondefinitive Spec/std DataMD-1 TYPE
Axis Displacement Limitation in DegROLL AXIS DISPLACEMENT UNLIMITED; PITCH AXIS DISPLACEMENT PORM 82 DEG
Current TypeAC
Gimbal Quantity2
PhaseTHREE
Shock MountPROVIDED
Design TypeNONCAGEABLE
Unit TypeVERTICAL
Voltage in Volts115.0
Sensing Output/signal Level MethodSYNCHRO 115V,AC,400 CYCLE; ONE PHASE INPUT,11.8V OUTPUT V
Instrument TypeUNFLOATED
Relationship to Similar EquipmentSBU-23A/A GYROSCOPE CAN BE USED WITH THE MD-1 MOUNTING PLATE AS A REPLACEMENT ASSEMBLY FOR THIS NSN A
Torqued Gimbal Quantity2
Wheel Power MethodELECTRIC
Frequency in Hertz400.0
Gimbal Torque Application MethodTORQUE MOTOR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6615-00-060-531441638 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6615-00-074-4036121672-01-16 INTERCHANGEABLE
Gyroscope,displacement
Ge Aviation Systems Llc
6615-00-169-146144524 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6615-00-179-263643550 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6615-00-181-271843550-1 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6615-00-181-271943550-2 INTERCHANGEABLE
Gyroscope,displacement
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3830-00-272-2204 INTERCHANGEABLE
Demolition Tool,pneumatic Impact
6615-00-618-980414125-1A INTERCHANGEABLE
Gyroscope,displacement
Mission Systems Davenport Inc.
6615-00-900-5959121672-01-17 INTERCHANGEABLE
Gyroscope,displacement
Ge Aviation Systems Llc
6615-00-900-685342281 INTERCHANGEABLE
Gyroscope,displacement
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
Cross-Reference Index
Part NumberManufacturer
121672-01 PRIMARY Ge Aviation Systems Llc (USA)
MD1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-G-25597 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
7000B Ge Aviation Systems Llc (USA)
620577-1 Lockheed Martin Corp (USA)
Related Parts
6615-00-060-5314INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
41638
6615-00-074-4036INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
121672-01-16
6615-00-169-1461INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
44524
6615-00-179-2636INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
43550
6615-00-181-2718INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
43550-1
6615-00-181-2719INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
43550-2
3830-00-272-2204INTERCHANGEABLE
DEMOLITION TOOL,PNEUMATIC IMPACT
6615-00-618-9804INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
14125-1A
6615-00-900-5959INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
121672-01-17
6615-00-900-6853INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
42281
6615-00-903-4414INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
42520
6615-00-933-6037INTERCHANGEABLE
GYROSCOPE,DISPLACEMENT
124623-01-14

Frequently Asked Questions

What is NSN 6615-00-550-6628?

NSN 6615-00-550-6628 is a Gyroscope,displacement, manufactured by Ge Aviation Systems Llc, classified under FSC 6615 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6615-00-550-6628?

NSN 6615-00-550-6628 has 5 cross-referenced part numbers: 121672-01 (Ge Aviation Systems Llc), MD1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-G-25597 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 7000B (Ge Aviation Systems Llc), 620577-1 (Lockheed Martin Corp).

What NSN replaces 6615-00-550-6628?

There are 12 known substitutes for 6615-00-550-6628: 6615-00-060-5314, 6615-00-074-4036, 6615-00-169-1461 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 121672-01?

Key specifications for 121672-01: Freedom Axis Quantity: 2; Part Name Assigned by Controlling Agency: GYROSCOPE,DISPLACEMENT,ROLL AND PITCH; Nondefinitive Spec/std Data: MD-1 TYPE; Axis Displacement Limitation in Deg: ROLL AXIS DISPLACEMENT UNLIMITED; PITCH AXIS DISPLACEMENT PORM 82 DEG. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6615-00-550-6628 still in active supply?

NSN 6615-00-550-6628 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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