PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11-220Socket,socket Wrench

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-01-578-3618 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-578-3618 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-578-3618. Primary manufacturer part number: 11-220.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 1.377 INCHES NOMINAL IN
  • Wrenching End Outside Diameter: 0.860 INCHES NOMINAL IN
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching Surface Size: 0.625 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-578-3618, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-578-3618
Primary Part Number11-220
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
Wrenching End Opening Depth1.377 INCHES NOMINAL IN
Wrenching End Outside Diameter0.860 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Wrenching Surface Size0.625 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Drive End Outside Diameter0.860 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-260-43135-29323-111 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5120-00-278-664111220 INTERCHANGEABLE
Cutters,abrasive Wheel Dresser,h
Desmond-Stephan Mfg Co the
5136-00-580-7353 INTERCHANGEABLE
Tap,thread Cutting
5910-00-643-9205 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
6695-01-134-507211.220 INTERCHANGEABLE
Transducer,motional Pickup
Controllix Corp
4820-01-184-4600 INTERCHANGEABLE
Valve,linear,directional Control
3610-01-193-068811220 INTERCHANGEABLE
Etcher Assy
Abd Intl Inc Dba Abdick
2835-01-193-9147 INTERCHANGEABLE
Shaft Assembly
5305-01-380-616211-220 INTERCHANGEABLE
Screw,machine
Gc/waldom Inc
6210-01-440-8833 INTERCHANGEABLE
Indicator,light
Cross-Reference Index
Part NumberManufacturer
11-220 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
11-220 Armstrong Bros Tool Co (USA)
11-220 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
5930-00-260-4313INTERCHANGEABLE
SWITCH,ROTARY
5-29323-111
5120-00-278-6641INTERCHANGEABLE
CUTTERS,ABRASIVE WHEEL DRESSER,H
11220
5136-00-580-7353INTERCHANGEABLE
TAP,THREAD CUTTING
5910-00-643-9205INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
6695-01-134-5072INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
11.220
4820-01-184-4600INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
3610-01-193-0688INTERCHANGEABLE
ETCHER ASSY
11220
2835-01-193-9147INTERCHANGEABLE
SHAFT ASSEMBLY
5305-01-380-6162INTERCHANGEABLE
SCREW,MACHINE
11-220
6210-01-440-8833INTERCHANGEABLE
INDICATOR,LIGHT
6515-01-573-1584INTERCHANGEABLE
SLEEVE,LIMB PROTECTION,TOURNIQUE
188297910001
6515-01-573-1614INTERCHANGEABLE
SLEEVE,LIMB PROTECTION,TOURNIQUE
188297920003

Frequently Asked Questions

What is NSN 5120-01-578-3618?

NSN 5120-01-578-3618 is a Socket,socket Wrench, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-578-3618?

NSN 5120-01-578-3618 has 3 cross-referenced part numbers: 11-220 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 11-220 (Armstrong Bros Tool Co), 11-220 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-578-3618?

There are 12 known substitutes for 5120-01-578-3618: 5930-00-260-4313, 5120-00-278-6641, 5136-00-580-7353 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11-220?

Key specifications for 11-220: Wrenching End Opening Depth: 1.377 INCHES NOMINAL IN; Wrenching End Outside Diameter: 0.860 INCHES NOMINAL IN; Overall Length: 2.500 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL. 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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