PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T3101ATYPEI181BTest Set,relay

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-519-2594 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-519-2594 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-519-2594. Primary manufacturer part number: T3101ATYPEI181B.
Features
  • Test Set,relay — FSC 6625
  • Test Type for Which Designed: MEASUREMENT OF CURRENT FLOW THROUGH WINDING OF RELAY;MEASUREMENT OF CURRENT FROM 0 TO 150 MA DC
  • DC Voltage Rating: 150.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
  • Accessory Controlling Agency: WESTERN ELECTRIC CO AND WESTERN ELECTRIC CO
  • Major Components: CABLE;CABLE
  • Accessory Component Quantity: 4 AND 1
  • Accessory Identifying Number: 1W13B PART NO. AND 2W17A PART NO.
  • Nondefinitive Spec/std Data: I-181B TYPE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Aluminum Carrying Case construction
General Description

The Test Set,relay, cataloged under National Stock Number 6625-00-519-2594, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 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: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-519-2594
Primary Part NumberT3101ATYPEI181B
Item NameTest Set,relay
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Test Type for Which DesignedMEASUREMENT OF CURRENT FLOW THROUGH WINDING OF RELAY;MEASUREMENT OF CURRENT FROM 0 TO 150 MA DC
DC Voltage Rating150.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Accessory Controlling AgencyWESTERN ELECTRIC CO AND WESTERN ELECTRIC CO
Major ComponentsCABLE;CABLE
Accessory Component Quantity4 AND 1
Accessory Identifying Number1W13B PART NO. AND 2W17A PART NO.
Nondefinitive Spec/std DataI-181B TYPE
Enclosure FeatureSINGLE ITEM W/CARRYING CASE
MaterialALUMINUM CARRYING CASE
Electrical Power Source RelationshipSELF-CONTAINED
Height6.370 INCHES NOMINAL IN
Length9.500 INCHES NOMINAL IN
Width5.500 INCHES NOMINAL IN
Test Type for Which DesignedMEASUREMENT OF CURRENT FLOW THROUGH WINDING OF RELAY;MEASUREMENT OF CURRENT FROM 0 TO 150 MA DC
DC Voltage Rating150.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Accessory Controlling AgencyWESTERN ELECTRIC CO AND WESTERN ELECTRIC CO
Major ComponentsCABLE;CABLE
Accessory Component Quantity4 AND 1
Accessory Identifying Number1W13B PART NO. AND 2W17A PART NO.
Nondefinitive Spec/std DataI-181B TYPE
Enclosure FeatureSINGLE ITEM W/CARRYING CASE
MaterialALUMINUM CARRYING CASE
Electrical Power Source RelationshipSELF-CONTAINED
Height6.370 INCHES NOMINAL IN
Length9.500 INCHES NOMINAL IN
Width5.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-242-7819
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Weight6.0000 lbs
Cube0.6944 cu ft
Verified Substitutes 12
Wattmeter
5310-00-053-780882218 INTERCHANGEABLE
Nut,self-Locking,single Ball Sea
Hayes Wheels Intl Inc Akron Opns
3110-00-156-4727083695 INTERCHANGEABLE
Bearing,ball,annular
Safetran Systems Corp
6230-00-226-900615-0025-1E1495 INTERCHANGEABLE
Light,desk
Grimes Aerospace Company
5110-00-240-6023 INTERCHANGEABLE
Bar,chisel
5975-00-244-7807 INTERCHANGEABLE
Box Connector,electrical
2530-00-262-7579 INTERCHANGEABLE
Brake Lining Kit
4730-00-270-3855695 INTERCHANGEABLE
Chuck,air,inflating
Milton Industries, Inc
5120-00-278-24233035 INTERCHANGEABLE
Crimping Tool,terminal,hand
Toolmate Inc
5935-00-296-88278N12T INTERCHANGEABLE
Socket,plug-in Electronic Compon
Vector Electronics & Technology Inc
Cross-Reference Index
Part NumberManufacturer
T3101ATYPEI181B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
695 Shalltronix Corp (USA)
Related Parts
SUCCESSOR 6625-00-242-7819 Wattmeter
5310-00-053-7808INTERCHANGEABLE
NUT,SELF-LOCKING,SINGLE BALL SEA
82218
3110-00-156-4727INTERCHANGEABLE
BEARING,BALL,ANNULAR
083695
6230-00-226-9006INTERCHANGEABLE
LIGHT,DESK
15-0025-1E1495
5110-00-240-6023INTERCHANGEABLE
BAR,CHISEL
5975-00-244-7807INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
2530-00-262-7579INTERCHANGEABLE
BRAKE LINING KIT
4730-00-270-3855INTERCHANGEABLE
CHUCK,AIR,INFLATING
695
5120-00-278-2423INTERCHANGEABLE
CRIMPING TOOL,TERMINAL,HAND
3035
5935-00-296-8827INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
8N12T
4820-00-595-3191INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM
00372-0249
7810-00-634-6733INTERCHANGEABLE
VOLLEYBALL
MCV660WH

Frequently Asked Questions

What is NSN 6625-00-519-2594?

NSN 6625-00-519-2594 is a Test Set,relay, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-519-2594?

NSN 6625-00-519-2594 has 2 cross-referenced part numbers: T3101ATYPEI181B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 695 (Shalltronix Corp).

What NSN replaces 6625-00-519-2594?

There are 12 known substitutes for 6625-00-519-2594: 6625-00-242-7819, 5310-00-053-7808, 3110-00-156-4727 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T3101ATYPEI181B?

Key specifications for T3101ATYPEI181B: Test Type for Which Designed: MEASUREMENT OF CURRENT FLOW THROUGH WINDING OF RELAY;MEASUREMENT OF CURRENT FROM 0 TO 150 MA DC; DC Voltage Rating: 150.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED; Accessory Controlling Agency: WESTERN ELECTRIC CO AND WESTERN ELECTRIC CO; Major Components: CABLE;CABLE. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-519-2594 still in active supply?

NSN 6625-00-519-2594 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.
PartsTable Design LLC · partstable.com