PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

123-CWrench,ratchet

Fasteners Inc Southwestern Supply · NSN 5120-00-215-1875 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-215-1875 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-215-1875. Primary manufacturer part number: 123-C.
Features
  • Wrench,ratchet — FSC 5120
  • Style Designator: STRAIGHT DOUBLE HEAD
  • Wrenching Surface Shape: 6 POINT FIRST END INTERNAL
  • Surface Treatment: NICKEL AND CHROMIUM OVERALL
  • Wrenching Surface Shape: SQUARE SECOND END INTERNAL
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SECOND END IN
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.190 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-00-215-1875, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Fasteners Inc Southwestern Supply. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-215-1875
Primary Part Number123-C
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerFasteners Inc Southwestern Supply
StatusACTIVE
Style DesignatorSTRAIGHT DOUBLE HEAD
Wrenching Surface Shape6 POINT FIRST END INTERNAL
Surface TreatmentNICKEL AND CHROMIUM OVERALL
Wrenching Surface ShapeSQUARE SECOND END INTERNAL
Wrenching Surface Size0.375 INCHES NOMINAL SECOND END IN
MaterialSTEEL OVERALL
Wrenching Surface Size0.190 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5120-00-221-79805120-00-221-7980 INTERCHANGEABLE
Wrench,ratchet
General Services Administration Federal Supply Service
5120-00-898-9509 INTERCHANGEABLE
Wrench,ratchet
Cross-Reference Index
Part NumberManufacturer
123-C Imperial (USA)
GGG-C-744 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
123-C PRIMARY Fasteners Inc Southwestern Supply (USA)
Related Parts
5120-00-221-7980INTERCHANGEABLE
WRENCH,RATCHET
5120-00-221-7980
5120-00-898-9509INTERCHANGEABLE
WRENCH,RATCHET

Frequently Asked Questions

What is NSN 5120-00-215-1875?

NSN 5120-00-215-1875 is a Wrench,ratchet, manufactured by Fasteners Inc Southwestern Supply, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-215-1875?

NSN 5120-00-215-1875 has 3 cross-referenced part numbers: 123-C (Imperial), GGG-C-744 (Federal Specifications Promulgated by General Services Administration Washington DC), 123-C (Fasteners Inc Southwestern Supply).

What NSN replaces 5120-00-215-1875?

There are 2 known substitutes for 5120-00-215-1875: 5120-00-221-7980, 5120-00-898-9509. Verify interchangeability with system specifications before substitution.

What are the specifications of 123-C?

Key specifications for 123-C: Style Designator: STRAIGHT DOUBLE HEAD; Wrenching Surface Shape: 6 POINT FIRST END INTERNAL; Surface Treatment: NICKEL AND CHROMIUM OVERALL; Wrenching Surface Shape: SQUARE SECOND END INTERNAL. 8 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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