PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A2850-1Gyroscope,rate

Kelly Manufacturing Company · NSN 6615-00-857-0828 · FSC 6615 · No Item Name Available
Verified by PartsTable
NSN 6615-00-857-0828 — this item is cataloged by the U.S. Government under National Stock Number 6615-00-857-0828. Primary manufacturer part number: A2850-1.
Features
  • Gyroscope,rate — FSC 6615
  • Freedom Axis Quantity: 1
  • Nondefinitive Spec/std Data: TRU-2A/A TYPE A
  • Axis Displacement Limitation in Deg: PORM 360 DEG PER MIN MAX
  • Voltage in Volts: 28.0
  • Elastic Restraint Application Method: ELECTRIC
  • Direct Current Rating in Amps: 0.250
  • Instrument Type: UNFLOATED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gyroscope,rate, cataloged under National Stock Number 6615-00-857-0828, is classified within Federal Supply Class 6615 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kelly Manufacturing Company. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6615-00-857-0828
Primary Part NumberA2850-1
Item NameGyroscope,rate
FSC / FSG6615 / 66 — No Item Name Available
ManufacturerKelly Manufacturing Company
StatusCANCELLED
Freedom Axis Quantity1
Nondefinitive Spec/std DataTRU-2A/A TYPE A
Axis Displacement Limitation in DegPORM 360 DEG PER MIN MAX
Voltage in Volts28.0
Elastic Restraint Application MethodELECTRIC
Direct Current Rating in Amps0.250
Instrument TypeUNFLOATED
Sensing Output/signal Level MethodVARIABLE INDUCTIVE PICKOFF AND 4 MA MAX
Gimbal Quantity1
Wheel Power MethodELECTRIC
Functional DescriptionPROVIDES ELECTRICAL SIGNALS DIRECTLY PROPORTIONAL TO THE RATE OF YAW OF AIRCRAFT
Current TypeDC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6615-00-077-18314536-01C INTERCHANGEABLE
Gyroscope,rate
Parker Hannifin Corporation Div Hydraulic Systems Division
6615-00-169-1564 INTERCHANGEABLE
Gyroscope,rate
6615-00-707-6478 INTERCHANGEABLE
Gyroscope,rate
6615-00-792-7750A2460 INTERCHANGEABLE
Gyroscope,rate
Kelly Manufacturing Company
6615-00-856-75574536-01A INTERCHANGEABLE
Gyroscope,rate
Parker Hannifin Corporation Div Hydraulic Systems Division
6615-00-869-0825A2850-5 INTERCHANGEABLE
Gyroscope,rate
Kelly Manufacturing Company
6615-00-877-9343501-1027-01 INTERCHANGEABLE
Gyroscope,rate
Acron Aviation, Inc.
5355-00-893-1398A2701-4-3 INTERCHANGEABLE
Dial,scale
Meggitt (new Hampshire), Inc
6615-01-059-7909 INTERCHANGEABLE
Gyroscope,rate
6615-01-178-05837125-9415 INTERCHANGEABLE
Gyroscope,rate
Mid-Continent Instrument Co Inc
Cross-Reference Index
Part NumberManufacturer
B2888-01 Allen R C Co Inc Cash Register Div (USA)
MIL-T-27200 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B2888-01 Kelly Manufacturing Company (USA)
A2850-1 Allen R C Instruments Inc (USA)
A2850-1 Allen R C Co Inc Cash Register Div (USA)
6615PL1014661 Jednolity Indeks Materialowy - Uniform Material Index (POL)
B2888-1 Kelly Manufacturing Company (USA)
A2850-1 PRIMARY Kelly Manufacturing Company (USA)
TRU-2A/A Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
B2888-01 Allen R C Instruments Inc (USA)
B2888-1 Allen R C Instruments Inc (USA)
Related Parts
6615-00-077-1831INTERCHANGEABLE
GYROSCOPE,RATE
4536-01C
6615-00-169-1564INTERCHANGEABLE
GYROSCOPE,RATE
6615-00-707-6478INTERCHANGEABLE
GYROSCOPE,RATE
6615-00-792-7750INTERCHANGEABLE
GYROSCOPE,RATE
A2460
6615-00-856-7557INTERCHANGEABLE
GYROSCOPE,RATE
4536-01A
6615-00-869-0825INTERCHANGEABLE
GYROSCOPE,RATE
A2850-5
6615-00-877-9343INTERCHANGEABLE
GYROSCOPE,RATE
501-1027-01
5355-00-893-1398INTERCHANGEABLE
DIAL,SCALE
A2701-4-3
6615-01-059-7909INTERCHANGEABLE
GYROSCOPE,RATE
6615-01-178-0583INTERCHANGEABLE
GYROSCOPE,RATE
7125-9415
6615-01-248-0835INTERCHANGEABLE
GYROSCOPE,RATE

Frequently Asked Questions

What is NSN 6615-00-857-0828?

NSN 6615-00-857-0828 is a Gyroscope,rate, manufactured by Kelly Manufacturing Company, classified under FSC 6615 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6615-00-857-0828?

NSN 6615-00-857-0828 has 11 cross-referenced part numbers: B2888-01 (Allen R C Co Inc Cash Register Div), MIL-T-27200 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), B2888-01 (Kelly Manufacturing Company), A2850-1 (Allen R C Instruments Inc), A2850-1 (Allen R C Co Inc Cash Register Div) and 6 more.

What NSN replaces 6615-00-857-0828?

There are 11 known substitutes for 6615-00-857-0828: 6615-00-077-1831, 6615-00-169-1564, 6615-00-707-6478 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A2850-1?

Key specifications for A2850-1: Freedom Axis Quantity: 1; Nondefinitive Spec/std Data: TRU-2A/A TYPE A; Axis Displacement Limitation in Deg: PORM 360 DEG PER MIN MAX; Part Name Assigned by Controlling Agency: TRANSMITTER RATE GYROSCOPE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6615-00-857-0828 still in active supply?

NSN 6615-00-857-0828 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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