PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T101-1Wrench,spanner

Electro-Mech Components, Inc. Dba Electro-Mech Components Inc · NSN 5120-00-479-6124 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-479-6124 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-479-6124. Primary manufacturer part number: T101-1.
Features
  • Wrench,spanner — FSC 5120
  • Lug Width: 0.058 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Handle Hole Diameter: 0.257 INCHES NOMINAL IN
  • Opening Diameter: 0.580 INCHES NOMINAL IN
  • Outside Diameter: 0.684 INCHES NOMINAL IN
  • Style Designator: TUBULAR LUG
  • 2 verified cross-references
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,spanner, cataloged under National Stock Number 5120-00-479-6124, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Electro-Mech Components, Inc. Dba Electro-Mech Components Inc. Government technical data includes 6 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
NSN5120-00-479-6124
Primary Part NumberT101-1
Item NameWrench,spanner
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerElectro-Mech Components, Inc. Dba Electro-Mech Components Inc
StatusACTIVE
Lug Width0.058 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Handle Hole Diameter0.257 INCHES NOMINAL IN
Opening Diameter0.580 INCHES NOMINAL IN
Outside Diameter0.684 INCHES NOMINAL IN
Style DesignatorTUBULAR LUG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5950-00-087-3552EP4176A INTERCHANGEABLE
Reactor
P C a Electronics Inc
3110-01-013-9705T-101-1 INTERCHANGEABLE
Bearing,ball,thrust
Auburn Bearing and Manufacturing Inc Div Auburn Bearing & Manufacturing
4820-01-198-1031T1011 INTERCHANGEABLE
Lever,governor Valv
Camar Corp.
4320-01-383-5384T-1011 INTERCHANGEABLE
Pump,reciprocating
General Pump Inc
Cross-Reference Index
Part NumberManufacturer
T101-1 Electro-Mech Components, Inc. Dba Pendar Switchlight Div Pendar Switchlight (USA)
T101-1 PRIMARY Electro-Mech Components, Inc. Dba Electro-Mech Components Inc (USA)
Related Parts
5950-00-087-3552INTERCHANGEABLE
REACTOR
EP4176A
3110-01-013-9705INTERCHANGEABLE
BEARING,BALL,THRUST
T-101-1
4820-01-198-1031INTERCHANGEABLE
LEVER,GOVERNOR VALV
T1011
4320-01-383-5384INTERCHANGEABLE
PUMP,RECIPROCATING
T-1011

Frequently Asked Questions

What is NSN 5120-00-479-6124?

NSN 5120-00-479-6124 is a Wrench,spanner, manufactured by Electro-Mech Components, Inc. Dba Electro-Mech Components Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-479-6124?

NSN 5120-00-479-6124 has 2 cross-referenced part numbers: T101-1 (Electro-Mech Components, Inc. Dba Pendar Switchlight Div Pendar Switchlight), T101-1 (Electro-Mech Components, Inc. Dba Electro-Mech Components Inc).

What NSN replaces 5120-00-479-6124?

There are 4 known substitutes for 5120-00-479-6124: 5950-00-087-3552, 3110-01-013-9705, 4820-01-198-1031 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T101-1?

Key specifications for T101-1: Lug Width: 0.058 INCHES NOMINAL IN; Overall Length: 3.000 INCHES NOMINAL IN; Material: STEEL OVERALL; Handle Hole Diameter: 0.257 INCHES NOMINAL IN. 7 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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