PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49B55-1Test Set,electrical Power

Ram Meter Inc · NSN 6625-00-349-6018 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-349-6018 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-349-6018. Primary manufacturer part number: 49B55-1.
Features
  • Test Set,electrical Power — FSC 6625
  • Major Components: CABLE;CABLE;CABLE;CABLE;CABLE;CABLE;CABLE
  • AC Voltage Rating: 115.0 VOLTS MAXIMUM SECOND OPERATING POWER RQMT
  • Accessory Controlling Agency: RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC
  • Length: 33.000 INCHES NOMINAL IN
  • Width: 13.700 INCHES NOMINAL IN
  • Test Type for Which Designed: MEASUREMENT OF VOLTAGE AND CURRENT
  • Material: ALUMINUM HOUSING
Applications
  • Applications requiring Aluminum Housing construction
General Description

The Test Set,electrical Power, cataloged under National Stock Number 6625-00-349-6018, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ram Meter Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-349-6018
Primary Part Number49B55-1
Item NameTest Set,electrical Power
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRam Meter Inc
StatusACTIVE
Major ComponentsCABLE;CABLE;CABLE;CABLE;CABLE;CABLE;CABLE
AC Voltage Rating115.0 VOLTS MAXIMUM SECOND OPERATING POWER RQMT
Accessory Controlling AgencyRAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC
Length33.000 INCHES NOMINAL IN
Width13.700 INCHES NOMINAL IN
Test Type for Which DesignedMEASUREMENT OF VOLTAGE AND CURRENT
MaterialALUMINUM HOUSING
Surface TreatmentENAMEL
FSC Application DataTEST SET,SPECIALIZED AIRCRAFT MAINTENANCE EQUIPMENT
DC Voltage Rating28.0 VOLTS MINIMUM FIRST OPERATING POWER RQMT
Accessory Component Quantity7
Height22.000 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
Major ComponentsCABLE;CABLE;CABLE;CABLE;CABLE;CABLE;CABLE
AC Voltage Rating115.0 VOLTS MAXIMUM SECOND OPERATING POWER RQMT
Accessory Controlling AgencyRAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC
Length33.000 INCHES NOMINAL IN
Width13.700 INCHES NOMINAL IN
Test Type for Which DesignedMEASUREMENT OF VOLTAGE AND CURRENT
MaterialALUMINUM HOUSING
Surface TreatmentENAMEL
FSC Application DataTEST SET,SPECIALIZED AIRCRAFT MAINTENANCE EQUIPMENT
DC Voltage Rating28.0 VOLTS MINIMUM FIRST OPERATING POWER RQMT
Accessory Component Quantity7
Height22.000 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-080-6002700630-1.50-576 INTERCHANGEABLE
Hose,air Duct
Arrowhead Products Corp
5120-00-189-2995 INTERCHANGEABLE
Key,socket Head Screw
6140-00-191-8506A-A-55439-3-1-475-D INTERCHANGEABLE
Battery,storage
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6625-00-348-5793SM-D-700695 INTERCHANGEABLE
Test Set,electrical Power
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
9515-00-360-3391L1 INTERCHANGEABLE
Strip,metal
Precision Steel Warehouse Inc
5965-00-404-3317 INTERCHANGEABLE
Microphone,crystal
4720-00-684-4503CEET-28-80 INTERCHANGEABLE
Hose,air Duct
Hbd Industries, Inc Div Hbd/thermoid Inc
6625-00-688-7994 INTERCHANGEABLE
Test Set,electrical Power
6625-00-690-2231 INTERCHANGEABLE
Test Set,electrical Power
3110-00-739-7058 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
49B55-1 PRIMARY Ram Meter Inc (USA)
49B55 Ram Meter Inc (USA)
MILT4000 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
L1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
4720-00-080-6002INTERCHANGEABLE
HOSE,AIR DUCT
700630-1.50-576
5120-00-189-2995INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
6140-00-191-8506INTERCHANGEABLE
BATTERY,STORAGE
A-A-55439-3-1-475-D
6625-00-348-5793INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
SM-D-700695
9515-00-360-3391INTERCHANGEABLE
STRIP,METAL
L1
5965-00-404-3317INTERCHANGEABLE
MICROPHONE,CRYSTAL
4720-00-684-4503INTERCHANGEABLE
HOSE,AIR DUCT
CEET-28-80
6625-00-688-7994INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
6625-00-690-2231INTERCHANGEABLE
TEST SET,ELECTRICAL POWER
3110-00-739-7058INTERCHANGEABLE
BEARING,BALL,ANNULAR
5325-00-785-0697INTERCHANGEABLE
EYELET,METALLIC
L1
4920-00-838-8768INTERCHANGEABLE
LEVELING PAD
L1

Frequently Asked Questions

What is NSN 6625-00-349-6018?

NSN 6625-00-349-6018 is a Test Set,electrical Power, manufactured by Ram Meter Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-349-6018?

NSN 6625-00-349-6018 has 4 cross-referenced part numbers: 49B55-1 (Ram Meter Inc), 49B55 (Ram Meter Inc), MILT4000 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), L1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-349-6018?

There are 12 known substitutes for 6625-00-349-6018: 4720-00-080-6002, 5120-00-189-2995, 6140-00-191-8506 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49B55-1?

Key specifications for 49B55-1: Major Components: CABLE;CABLE;CABLE;CABLE;CABLE;CABLE;CABLE; AC Voltage Rating: 115.0 VOLTS MAXIMUM SECOND OPERATING POWER RQMT; Accessory Controlling Agency: RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; RAM METER INC; Length: 33.000 INCHES NOMINAL IN. 26 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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