PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

745Test Set,telephone

3m Company · NSN 6625-01-384-1289 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-384-1289 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-384-1289. Primary manufacturer part number: 745.
Features
  • Test Set,telephone — FSC 6625
  • Width: 9.200 INCHES NOMINAL IN
  • Phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED
  • Functional Description: USED AS SUBSCRIBER LOOP TESTER
  • Height: 7.000 INCHES NOMINAL IN
  • Enclosure Feature: SINGLE ITEM W/HOUSING
  • AC Voltage Rating: 105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
  • Depth: 5.800 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Test Set,telephone, cataloged under National Stock Number 6625-01-384-1289, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is 3m Company. Government technical data includes 20 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-384-1289
Primary Part Number745
Item NameTest Set,telephone
FSC / FSG6625 / 66 — No Item Name Available
Manufacturer3m Company
StatusACTIVE
Width9.200 INCHES NOMINAL IN
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Functional DescriptionUSED AS SUBSCRIBER LOOP TESTER
Height7.000 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
AC Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Depth5.800 INCHES NOMINAL IN
Electrical Power Source RelationshipOPERATING
Test Type for Which DesignedAC/DC VOLTAGE;DC CURRENT;INSULATION,GROUND AND LOOP RESISTANCE;OPENS;LINE LOSS;RINGER COUNT;NOISE METALLIC,POWER INFLUENCE & BALANCE;LOOP TREATMENTDIAL
Frequency Rating60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Width9.200 INCHES NOMINAL IN
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Functional DescriptionUSED AS SUBSCRIBER LOOP TESTER
Height7.000 INCHES NOMINAL IN
Enclosure FeatureSINGLE ITEM W/HOUSING
AC Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Depth5.800 INCHES NOMINAL IN
Electrical Power Source RelationshipOPERATING
Test Type for Which DesignedAC/DC VOLTAGE;DC CURRENT;INSULATION,GROUND AND LOOP RESISTANCE;OPENS;LINE LOSS;RINGER COUNT;NOISE METALLIC,POWER INFLUENCE & BALANCE;LOOP TREATMENTDIAL
Frequency Rating60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
SMR CodeLU
Verified Substitutes 12
6625-01-267-4440746 SUCCESSOR
Ohmmeter
3m Company
3030-00-073-3598178490 INTERCHANGEABLE
Belt,v
Cummins Inc.
3110-00-100-0680745 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5930-00-133-5386745 INTERCHANGEABLE
Switch,toggle
Perko Inc
6645-00-163-0738745 INTERCHANGEABLE
Wheel
The Chelsea Clock Llc
7510-00-286-576414259 INTERCHANGEABLE
Pencil
Dixon Ticonderoga Co
5110-00-449-73185110-00-449-7318 INTERCHANGEABLE
Punch,cutting,gasket
General Services Administration Federal Supply Service
4730-00-511-167711-110-000039 INTERCHANGEABLE
Coupling,pipe
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-599-5917 INTERCHANGEABLE
Washer,flat
5120-00-696-47685120-00-696-4768 INTERCHANGEABLE
Key Set,socket Head Screw
General Services Administration Federal Supply Service
Cross-Reference Index
Part NumberManufacturer
745 3m Company (USA)
745 3m Company Div Electro and Communications Business (USA)
Related Parts
6625-01-267-4440SUCCESSOR
OHMMETER
746
3030-00-073-3598INTERCHANGEABLE
BELT,V
178490
3110-00-100-0680INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
745
5930-00-133-5386INTERCHANGEABLE
SWITCH,TOGGLE
745
6645-00-163-0738INTERCHANGEABLE
WHEEL
745
7510-00-286-5764INTERCHANGEABLE
PENCIL
14259
5110-00-449-7318INTERCHANGEABLE
PUNCH,CUTTING,GASKET
5110-00-449-7318
4730-00-511-1677INTERCHANGEABLE
COUPLING,PIPE
11-110-000039
5310-00-599-5917INTERCHANGEABLE
WASHER,FLAT
5120-00-696-4768INTERCHANGEABLE
KEY SET,SOCKET HEAD SCREW
5120-00-696-4768
4730-00-833-8029INTERCHANGEABLE
TRAP,STEAM
10374-2
3020-00-887-8535INTERCHANGEABLE
PULLEY,GROOVE
7-72

Frequently Asked Questions

What is NSN 6625-01-384-1289?

NSN 6625-01-384-1289 is a Test Set,telephone, manufactured by 3m Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-384-1289?

NSN 6625-01-384-1289 has 2 cross-referenced part numbers: 745 (3m Company), 745 (3m Company Div Electro and Communications Business).

What NSN replaces 6625-01-384-1289?

There are 12 known substitutes for 6625-01-384-1289: 6625-01-267-4440, 3030-00-073-3598, 3110-00-100-0680 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 745?

Key specifications for 745: Width: 9.200 INCHES NOMINAL IN; Phase: SINGLE LOCATION NOT OTHERWISE SPECIFIED; Functional Description: USED AS SUBSCRIBER LOOP TESTER; Height: 7.000 INCHES NOMINAL IN. 20 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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