PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1646-6SB6-2Indicator,vertical Velocity

Mission Systems Davenport Inc. · NSN 6610-00-291-7025 · FSC 6610 · No Item Name Available
Verified by PartsTable
NSN 6610-00-291-7025 — this item is cataloged by the U.S. Government under National Stock Number 6610-00-291-7025. Primary manufacturer part number: 1646-6SB6-2.
Features
  • Indicator,vertical Velocity — FSC 6610
  • Mechanical Connection Quantity: 1
  • Accuracy Rating: 100.000 FEET PER MINUTE SINGLE INDICATOR SINGLE SCALE FT
  • Mechanical Connection Type: INTERNAL PIPE
  • Depth: 5.016 INCHES NOMINAL IN
  • Mechanical Connection Size: 1/8 IN. IN
  • Mounting Facility Type and Quantity: 1 PANEL
  • Height: 3.250 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Indicator,vertical Velocity, cataloged under National Stock Number 6610-00-291-7025, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mission Systems Davenport Inc.. Government technical data includes 10 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6610-00-291-7025
Primary Part Number1646-6SB6-2
Item NameIndicator,vertical Velocity
FSC / FSG6610 / 66 — No Item Name Available
ManufacturerMission Systems Davenport Inc.
StatusACTIVE
Mechanical Connection Quantity1
Accuracy Rating100.000 FEET PER MINUTE SINGLE INDICATOR SINGLE SCALE FT
Mechanical Connection TypeINTERNAL PIPE
Depth5.016 INCHES NOMINAL IN
Mechanical Connection Size1/8 IN. IN
Mounting Facility Type and Quantity1 PANEL
Height3.250 INCHES NOMINAL IN
Pointer FinishFLUORESCENT SINGLE POINTER
Departure From Cited DesignatorAS MODIFIED BY THE MFR DATA
Width3.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6610-00-360-2711 INTERCHANGEABLE
Indicator,vertical Velocity
6610-00-663-4141 INTERCHANGEABLE
Indicator,vertical Velocity
6610-00-663-4153716BK8-036 INTERCHANGEABLE
Indicator,vertical Velocity
Elbitamerica, Inc.
6610-00-663-4161 INTERCHANGEABLE
Indicator,vertical Velocity
Cross-Reference Index
Part NumberManufacturer
AN5825-7 Aeronautical Standards Group Dept of Navy and Air Force (USA)
1646-6SB6-2 PRIMARY Mission Systems Davenport Inc. (USA)
Related Parts
6610-00-360-2711INTERCHANGEABLE
INDICATOR,VERTICAL VELOCITY
6610-00-663-4141INTERCHANGEABLE
INDICATOR,VERTICAL VELOCITY
6610-00-663-4153INTERCHANGEABLE
INDICATOR,VERTICAL VELOCITY
716BK8-036
6610-00-663-4161INTERCHANGEABLE
INDICATOR,VERTICAL VELOCITY

Frequently Asked Questions

What is NSN 6610-00-291-7025?

NSN 6610-00-291-7025 is a Indicator,vertical Velocity, manufactured by Mission Systems Davenport Inc., classified under FSC 6610 (No Item Name Available). Status: active.

What are the part numbers for NSN 6610-00-291-7025?

NSN 6610-00-291-7025 has 2 cross-referenced part numbers: AN5825-7 (Aeronautical Standards Group Dept of Navy and Air Force), 1646-6SB6-2 (Mission Systems Davenport Inc.).

What NSN replaces 6610-00-291-7025?

There are 4 known substitutes for 6610-00-291-7025: 6610-00-360-2711, 6610-00-663-4141, 6610-00-663-4153 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1646-6SB6-2?

Key specifications for 1646-6SB6-2: Mechanical Connection Quantity: 1; Accuracy Rating: 100.000 FEET PER MINUTE SINGLE INDICATOR SINGLE SCALE FT; Mechanical Connection Type: INTERNAL PIPE; Depth: 5.016 INCHES NOMINAL IN. 10 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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