PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37-112Socket,socket Wrench

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-654-2155 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-654-2155 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-654-2155. Primary manufacturer part number: 37-112.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 12.7 MILLIMETERS NOMINAL MM
  • Drive End Outside Diameter: 17.1 MILLIMETERS NOMINAL MM
  • Wrenching End Outside Diameter: 17.1 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 12.0 MILLIMETERS NOMINAL SINGLE END MM
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-654-2155, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Apex Tool Group, Llc Dba Nicholson. Government technical data includes 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-654-2155
Primary Part Number37-112
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Wrenching End Opening Depth12.7 MILLIMETERS NOMINAL MM
Drive End Outside Diameter17.1 MILLIMETERS NOMINAL MM
Wrenching End Outside Diameter17.1 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Wrenching Surface Size12.0 MILLIMETERS NOMINAL SINGLE END MM
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6210-00-012-511837-0112-300 INTERCHANGEABLE
Lens,light
Dialight Corporation
5360-00-235-1607371-12 INTERCHANGEABLE
Spring,helical,compression
Elbitamerica, Inc.
2915-01-108-37122-300-677-04 INTERCHANGEABLE
Nozzle,fuel Injection
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
6240-01-168-453337112/CL INTERCHANGEABLE
Lamp,mercury Vapor
Westron Corporation Dba Westron Lighting
6145-01-214-802837112 INTERCHANGEABLE
Wire,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6685-01-391-2609 INTERCHANGEABLE
Recorder,temperature
4720-01-575-8958 INTERCHANGEABLE
Hose,metallic
Cross-Reference Index
Part NumberManufacturer
37-112 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
6210-00-012-5118INTERCHANGEABLE
LENS,LIGHT
37-0112-300
5360-00-235-1607INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
371-12
2915-01-108-3712INTERCHANGEABLE
NOZZLE,FUEL INJECTION
2-300-677-04
6240-01-168-4533INTERCHANGEABLE
LAMP,MERCURY VAPOR
37112/CL
6145-01-214-8028INTERCHANGEABLE
WIRE,ELECTRICAL
37112
6685-01-391-2609INTERCHANGEABLE
RECORDER,TEMPERATURE
4720-01-575-8958INTERCHANGEABLE
HOSE,METALLIC

Frequently Asked Questions

What is NSN 5120-01-654-2155?

NSN 5120-01-654-2155 is a Socket,socket Wrench, manufactured by Apex Tool Group, Llc Dba Nicholson, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-654-2155?

NSN 5120-01-654-2155 has 1 cross-referenced part number: 37-112 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-654-2155?

There are 7 known substitutes for 5120-01-654-2155: 6210-00-012-5118, 5360-00-235-1607, 2915-01-108-3712 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37-112?

Key specifications for 37-112: Wrenching End Opening Depth: 12.7 MILLIMETERS NOMINAL MM; Drive End Outside Diameter: 17.1 MILLIMETERS NOMINAL MM; Overall Length: 22.3 MILLIMETERS NOMINAL MM; Wrenching End Outside Diameter: 17.1 MILLIMETERS NOMINAL MM. 12 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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