PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T-101Adapter,socket Wrench

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 5120-01-072-2950 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-072-2950 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-072-2950. Primary manufacturer part number: T-101.
Features
  • Adapter,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Drive End Shape: HEXAGON BOTH ENDS EXTERNAL
  • Drive Surface Size: 0.938 INCHES NOMINAL SECOND END IN
  • Drive Surface Size: 0.745 INCHES NOMINAL FIRST END IN
  • Style Designator: EXTERNAL-EXTERNAL
  • 1 verified cross-reference
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Applications requiring Steel Overall construction
General Description

The Adapter,socket Wrench, cataloged under National Stock Number 5120-01-072-2950, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5120-01-072-2950
Primary Part NumberT-101
Item NameAdapter,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
MaterialSTEEL OVERALL
Drive End ShapeHEXAGON BOTH ENDS EXTERNAL
Drive Surface Size0.938 INCHES NOMINAL SECOND END IN
Drive Surface Size0.745 INCHES NOMINAL FIRST END IN
Style DesignatorEXTERNAL-EXTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-117-0754 INTERCHANGEABLE
Bearing,roller,thrust
5950-00-197-5157 INTERCHANGEABLE
Transformer,radio Frequency
5136-00-199-6747T101 INTERCHANGEABLE
Tap,thread Cutting
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
4320-00-230-3021SB-2417-1 INTERCHANGEABLE
Pump,hydraulic Ram,hand Driven
Control Systems Co
5307-00-419-40670T0101 INTERCHANGEABLE
Stud,plain
Caterpillar Inc Div Caterpillar Defense
3010-00-420-9940T10-1 INTERCHANGEABLE
Coupling,shaft,flexible
Roller Bearing Co of America, Inc Div Pic Design
5950-00-645-4889 INTERCHANGEABLE
Transformer,power
5950-00-645-5236T101 INTERCHANGEABLE
Transformer,audio Frequency
Electronic Transformer Corp Div Electronic Transformer Corporation
5120-00-831-7092T10-1 INTERCHANGEABLE
Drift,magnet Positi
Woodward Hrt Inc
2590-00-851-7533TG1 INTERCHANGEABLE
Cap,filler Opening
Stant Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
T-101 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
3110-00-117-0754INTERCHANGEABLE
BEARING,ROLLER,THRUST
5950-00-197-5157INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5136-00-199-6747INTERCHANGEABLE
TAP,THREAD CUTTING
T101
4320-00-230-3021INTERCHANGEABLE
PUMP,HYDRAULIC RAM,HAND DRIVEN
SB-2417-1
5307-00-419-4067INTERCHANGEABLE
STUD,PLAIN
0T0101
3010-00-420-9940INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
T10-1
5950-00-645-4889INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-645-5236INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
T101
5120-00-831-7092INTERCHANGEABLE
DRIFT,MAGNET POSITI
T10-1
2590-00-851-7533INTERCHANGEABLE
CAP,FILLER OPENING
TG1
5935-00-897-6386INTERCHANGEABLE
DUMMY PLUG,TELEPHONE
4940-01-280-9106INTERCHANGEABLE
AUGER MACHINE,PIPE AND SEWER,POW
T-101

Frequently Asked Questions

What is NSN 5120-01-072-2950?

NSN 5120-01-072-2950 is a Adapter,socket Wrench, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-072-2950?

NSN 5120-01-072-2950 has 1 cross-referenced part number: T-101 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 5120-01-072-2950?

There are 12 known substitutes for 5120-01-072-2950: 3110-00-117-0754, 5950-00-197-5157, 5136-00-199-6747 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T-101?

Key specifications for T-101: Overall Length: 3.999 INCHES NOMINAL IN; Material: STEEL OVERALL; Drive End Shape: HEXAGON BOTH ENDS EXTERNAL; Drive Surface Size: 0.938 INCHES NOMINAL SECOND END IN. 6 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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