PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H2195-1084 ITEM 165Indicator,synchronization

Marine Electric Systems Inc · NSN 6625-01-178-4020 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-178-4020 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-178-4020. Primary manufacturer part number: H2195-1084 ITEM 165.
Features
  • Indicator,synchronization — FSC 6625
  • Width: 4.422 INCHES NOMINAL IN
  • Electrical Connection Quantity: 4
  • Mounting Stud Length: 0.625 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN
  • Test Data Document: 81349-MIL-S-16104 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Scale Marking Transparency: NONLUMINOUS
  • Specification/standard Data: 81349-MIL-S-16104 REV B GOVERNMENT SPECIFICATION
Applications
  • Applications requiring Plastic Case construction
General Description

The Indicator,synchronization, cataloged under National Stock Number 6625-01-178-4020, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Marine Electric Systems Inc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 10 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
NSN6625-01-178-4020
Primary Part NumberH2195-1084 ITEM 165
Item NameIndicator,synchronization
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMarine Electric Systems Inc
StatusCANCELLED
Width4.422 INCHES NOMINAL IN
Electrical Connection Quantity4
Mounting Stud Length0.625 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width3.376 INCHES NOMINAL IN
Test Data Document81349-MIL-S-16104 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Scale Marking TransparencyNONLUMINOUS
Specification/standard Data81349-MIL-S-16104 REV B GOVERNMENT SPECIFICATION
Scale MarkingLETTERS
FSC Application DataTEST SET,ELECT. EQUIP.
Frequency Rating400.0 HERTZ NOMINAL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Center to Center Distance Between Mounting Facilities Parallel to Length3.376 INCHES NOMINAL IN
Length6.957 INCHES NOMINAL IN
Accuracy Rating2.0 ARC ANGLE IN DEGREES SINGLE INDICATOR SINGLE SCALE
Pointer TypeINDICATING SINGLE POINTER
Presentation TypeDIAL
AC Voltage Rating120.0 VOLTS NOMINAL
PhaseSINGLE
Current TypeAC
Height4.422 INCHES NOMINAL IN
Scale Division Quantity2 SINGLE INDICATOR SINGLE SCALE
MaterialPLASTIC CASE
Mounting Stud Diameter0.250 INCHES NOMINAL IN
Individual MarkingTWO ARROWS: TOP LEFT AND RIGHT; SLOW UNDER LEFT ARROW; FAST UNDER RIGHT ARROW
Mounting Facility Type and Quantity4 THREADED STUD(S)
Features ProvidedMOUNTING HARDWARE AND WATERPROOF
Pointer PurposeDIFFERENCE BETWEEN TWO SIGNALS
Width4.422 INCHES NOMINAL IN
Electrical Connection Quantity4
Mounting Stud Length0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Weight2.0000 lbs
Cube0.1910 cu ft
Verified Substitutes 12
3110-00-057-5558 INTERCHANGEABLE
Bearing,ball,annular
6625-00-090-95371JH453SUB1PC24 INTERCHANGEABLE
Synchroscope
Westinghouse Electric Corp
6625-00-375-5431AB14-400CT INTERCHANGEABLE
Indicator,synchronization
Yokogawa Corporation of America
6520-00-553-8150 INTERCHANGEABLE
Frame,dental Laboratory Saw
6625-00-751-9405186A237A01 INTERCHANGEABLE
Meter,power Factor
Hughes Corp Div Weschler Electric
6110-00-988-4592186A235A01 INTERCHANGEABLE
Indicator,synchronization
Hughes Corp Div Weschler Electric
6625-01-356-4330292B703A09 INTERCHANGEABLE
Indicator,synchronization
L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
5315-01-483-67494321161 INTERCHANGEABLE
Pin,shoulder,headless
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4820-01-564-945295328 INTERCHANGEABLE
Valve Assembly,manifold
Ritchie Engineering Co Inc
3990-01-603-579495328 INTERCHANGEABLE
Tank Unloading Set
Douglas Dynamics Corp Western Products Div
Cross-Reference Index
Part NumberManufacturer
H2195-1084 ITEM 165 Marine Electric Systems Inc (USA)
MR4SW400SYH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
K1-241 Homewood Products Corp (USA)
497-001 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
MIL-S-16104B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
H2195-1084 Marine Electric Systems Inc (USA)
K1-241 Westinghouse Electric Corp Control Business Unit
908306 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
953-28 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
186A235A01 Westinghouse Electric Corp (USA)
H2195-1084PC165 Marine Electric Systems Inc (USA)
K1-241 Hughes Corp Div Dba Weschler Instruments (USA)
KI-241 400HZ Bauer, Inc. (USA)
292B703A10 Hughes Corp Div Weschler Electric (USA)
50-101-454ACAA General Electric Co Outdoor Breaker Business Section (USA)
KI-241 Hughes Corp Div Weschler Electric (USA)
Related Parts
3110-00-057-5558INTERCHANGEABLE
BEARING,BALL,ANNULAR
6625-00-090-9537INTERCHANGEABLE
SYNCHROSCOPE
1JH453SUB1PC24
6625-00-375-5431INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
AB14-400CT
6520-00-553-8150INTERCHANGEABLE
FRAME,DENTAL LABORATORY SAW
6625-00-751-9405INTERCHANGEABLE
METER,POWER FACTOR
186A237A01
6110-00-988-4592INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
186A235A01
6625-01-356-4330INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION
292B703A09
5315-01-483-6749INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
4321161
4820-01-564-9452INTERCHANGEABLE
VALVE ASSEMBLY,MANIFOLD
95328
3990-01-603-5794INTERCHANGEABLE
TANK UNLOADING SET
95328
5640-01-674-2923INTERCHANGEABLE
INSULATION BLANKET,THERMAL
K1241
6625-01-686-5145INTERCHANGEABLE
INDICATOR,SYNCHRONIZATION

Frequently Asked Questions

What is NSN 6625-01-178-4020?

NSN 6625-01-178-4020 is a Indicator,synchronization, manufactured by Marine Electric Systems Inc, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-01-178-4020?

NSN 6625-01-178-4020 has 16 cross-referenced part numbers: H2195-1084 ITEM 165 (Marine Electric Systems Inc), MR4SW400SYH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), K1-241 (Homewood Products Corp), 497-001 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), MIL-S-16104B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 11 more.

What NSN replaces 6625-01-178-4020?

There are 12 known substitutes for 6625-01-178-4020: 3110-00-057-5558, 6625-00-090-9537, 6625-00-375-5431 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of H2195-1084 ITEM 165?

Key specifications for H2195-1084 ITEM 165: Width: 4.422 INCHES NOMINAL IN; Electrical Connection Quantity: 4; Mounting Stud Length: 0.625 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 3.376 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-01-178-4020 still in active supply?

NSN 6625-01-178-4020 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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