PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64-124Crowfoot Attachment,socket Wrenc

Apex Tool Group, Llc Dba Nicholson · NSN 5120-01-335-2150 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-2150 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-2150. Primary manufacturer part number: 64-124.
Features
  • Crowfoot Attachment,socket Wrenc — FSC 5120
  • Wrenching Surface Size: 0.750 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Style Designator: OPEN END
  • Wrenching Surface Shape: OVAL SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Crowfoot Attachment,socket Wrenc, cataloged under National Stock Number 5120-01-335-2150, 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 7 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-335-2150
Primary Part Number64-124
Item NameCrowfoot Attachment,socket Wrenc
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerApex Tool Group, Llc Dba Nicholson
StatusACTIVE
Wrenching Surface Size0.750 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorOPEN END
Wrenching Surface ShapeOVAL SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5915-00-488-33232921066-24 INTERCHANGEABLE
Filter,band Pass
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2920-00-908-753150160-21 INTERCHANGEABLE
Lead,ignition,engine
Champion Aerospace Llc
Cross-Reference Index
Part NumberManufacturer
64-124 Apex Tool Group, Llc Dba Nicholson (USA)
64-124 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
5915-00-488-3323INTERCHANGEABLE
FILTER,BAND PASS
2921066-24
2920-00-908-7531INTERCHANGEABLE
LEAD,IGNITION,ENGINE
50160-21

Frequently Asked Questions

What is NSN 5120-01-335-2150?

NSN 5120-01-335-2150 is a Crowfoot Attachment,socket Wrenc, 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 5120-01-335-2150?

NSN 5120-01-335-2150 has 2 cross-referenced part numbers: 64-124 (Apex Tool Group, Llc Dba Nicholson), 64-124 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.).

What NSN replaces 5120-01-335-2150?

There are 2 known substitutes for 5120-01-335-2150: 5915-00-488-3323, 2920-00-908-7531. Verify interchangeability with system specifications before substitution.

What are the specifications of 64-124?

Key specifications for 64-124: Wrenching Surface Size: 0.750 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Drive End Shape: SQUARE SINGLE END INTERNAL; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN. 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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