PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21CWrench,ratchet

Lowell Corporation Dba Lowell Corp · NSN 5120-00-650-1202 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-650-1202 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-650-1202. Primary manufacturer part number: 21C.
Features
  • Wrench,ratchet — FSC 5120
  • Wrenching Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Style Designator: STRAIGHT SINGLE HEAD
  • Head Thickness: 0.750 INCHES NOMINAL IN
  • Features Provided: REVERSIBLE RATCHET
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Material: ALUMINUM ALLOY AND STEEL HANDLE
  • 2 verified cross-references
Applications
  • Applications requiring Aluminum Alloy and Steel Handle construction
General Description

The Wrench,ratchet, cataloged under National Stock Number 5120-00-650-1202, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lowell Corporation Dba Lowell Corp. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-650-1202
Primary Part Number21C
Item NameWrench,ratchet
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerLowell Corporation Dba Lowell Corp
StatusACTIVE
Wrenching Surface Size0.750 INCHES NOMINAL SINGLE END IN
Style DesignatorSTRAIGHT SINGLE HEAD
Head Thickness0.750 INCHES NOMINAL IN
Features ProvidedREVERSIBLE RATCHET
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
MaterialALUMINUM ALLOY AND STEEL HANDLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5975-00-188-116458-C-7 INTERCHANGEABLE
Plate,wall,electrical
Abb Installation Products Inc
5999-00-230-1195R716 INTERCHANGEABLE
Clip,electrical
Dietzgen Corp
5999-00-260-0447 INTERCHANGEABLE
Clip,electrical
5999-00-539-1970864231PC2 INTERCHANGEABLE
Clip,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5342-01-315-1973 INTERCHANGEABLE
Cap,core
3750-01-420-067721C INTERCHANGEABLE
Trimmer,weed
Skyland Equipment Co Inc
3455-01-653-417821C INTERCHANGEABLE
Cutter,engraving
Wen Products Inc
Cross-Reference Index
Part NumberManufacturer
21C PRIMARY Lowell Corporation Dba Lowell Corp (USA)
S1520-63271-1 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
Related Parts
5975-00-188-1164INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
58-C-7
5999-00-230-1195INTERCHANGEABLE
CLIP,ELECTRICAL
R716
5999-00-260-0447INTERCHANGEABLE
CLIP,ELECTRICAL
5999-00-539-1970INTERCHANGEABLE
CLIP,ELECTRICAL
864231PC2
5342-01-315-1973INTERCHANGEABLE
CAP,CORE
3750-01-420-0677INTERCHANGEABLE
TRIMMER,WEED
21C
3455-01-653-4178INTERCHANGEABLE
CUTTER,ENGRAVING
21C

Frequently Asked Questions

What is NSN 5120-00-650-1202?

NSN 5120-00-650-1202 is a Wrench,ratchet, manufactured by Lowell Corporation Dba Lowell Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-650-1202?

NSN 5120-00-650-1202 has 2 cross-referenced part numbers: 21C (Lowell Corporation Dba Lowell Corp), S1520-63271-1 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).

What NSN replaces 5120-00-650-1202?

There are 7 known substitutes for 5120-00-650-1202: 5975-00-188-1164, 5999-00-230-1195, 5999-00-260-0447 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21C?

Key specifications for 21C: Overall Length: 7.625 INCHES NOMINAL IN; Wrenching Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Style Designator: STRAIGHT SINGLE HEAD; Head Thickness: 0.750 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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