PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

412-188Wrench,ratchet

Port Clinton Mfg Co · NSN 5120-00-779-4476 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-779-4476 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-779-4476. Primary manufacturer part number: 412-188.
Features
  • Wrench,ratchet — FSC 5120
  • Head Thickness: 0.188 INCHES NOMINAL IN
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: STRAIGHT SINGLE HEAD
  • Material: STEEL OVERALL
  • Torque Capacity: 25.0 INCH-POUNDS NOMINAL IN
  • Wrenching Surface Size: 0.188 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-00-779-4476, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Port Clinton Mfg Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-779-4476
Primary Part Number412-188
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerPort Clinton Mfg Co
StatusACTIVE
Head Thickness0.188 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorSTRAIGHT SINGLE HEAD
MaterialSTEEL OVERALL
Torque Capacity25.0 INCH-POUNDS NOMINAL IN
Wrenching Surface Size0.188 INCHES NOMINAL SINGLE END IN
Special MarkingsWRENCH SIZE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5310-00-227-4887 INTERCHANGEABLE
Washer,spring Tension
5120-00-779-4477412-219 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4478412-250 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4479412-281 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4480412-313 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4481412-344 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4483412-438 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4484412-469 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5120-00-779-4485412-500 INTERCHANGEABLE
Wrench,ratchet
Port Clinton Mfg Co
5330-01-396-4003COKSS 115- 412188/176141 INTERCHANGEABLE
Seal,plain
Skf Usa Inc Dba Skf Usa Inc
Cross-Reference Index
Part NumberManufacturer
412-188 Stride Tool Inc. Dba Stride Milbar Company (USA)
6Z Stride Tool Inc (USA)
5120-779-4476 General Services Administration Federal Supply Service (USA)
412-188 PRIMARY Port Clinton Mfg Co (USA)
Related Parts
5310-00-227-4887INTERCHANGEABLE
WASHER,SPRING TENSION
5120-00-779-4477INTERCHANGEABLE
WRENCH,RATCHET
412-219
5120-00-779-4478INTERCHANGEABLE
WRENCH,RATCHET
412-250
5120-00-779-4479INTERCHANGEABLE
WRENCH,RATCHET
412-281
5120-00-779-4480INTERCHANGEABLE
WRENCH,RATCHET
412-313
5120-00-779-4481INTERCHANGEABLE
WRENCH,RATCHET
412-344
5120-00-779-4483INTERCHANGEABLE
WRENCH,RATCHET
412-438
5120-00-779-4484INTERCHANGEABLE
WRENCH,RATCHET
412-469
5120-00-779-4485INTERCHANGEABLE
WRENCH,RATCHET
412-500
5330-01-396-4003INTERCHANGEABLE
SEAL,PLAIN
COKSS 115- 412188/176141

Frequently Asked Questions

What is NSN 5120-00-779-4476?

NSN 5120-00-779-4476 is a Wrench,ratchet, manufactured by Port Clinton Mfg Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-779-4476?

NSN 5120-00-779-4476 has 4 cross-referenced part numbers: 412-188 (Stride Tool Inc. Dba Stride Milbar Company), 6Z (Stride Tool Inc), 5120-779-4476 (General Services Administration Federal Supply Service), 412-188 (Port Clinton Mfg Co).

What NSN replaces 5120-00-779-4476?

There are 10 known substitutes for 5120-00-779-4476: 5310-00-227-4887, 5120-00-779-4477, 5120-00-779-4478 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 412-188?

Key specifications for 412-188: Head Thickness: 0.188 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Style Designator: STRAIGHT SINGLE HEAD. 9 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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