PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43605Socket,socket Wrench

Sears, Roebuck and Co. Dba Sears Div Sears Commercial · NSN 5120-01-366-8266 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-366-8266 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-366-8266. Primary manufacturer part number: 43605.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Material: STEEL OVERALL
  • Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Surface Treatment: CHROMIUM OVERALL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-366-8266, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Sears, Roebuck and Co. Dba Sears Div Sears Commercial. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-366-8266
Primary Part Number43605
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerSears, Roebuck and Co. Dba Sears Div Sears Commercial
StatusCANCELLED
Wrenching Surface Size0.375 INCHES NOMINAL SINGLE END IN
MaterialSTEEL OVERALL
Drive Surface Size0.250 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive End ShapeSQUARE SINGLE END INTERNAL
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-6374160920 INTERCHANGEABLE
Bearing,ball,annular
Brinkley Technology Group Llc Dba Hercules Manufacturing
2590-00-231-637854295 INTERCHANGEABLE
Valve,poppet,hull Drain
Allianz Sweeper Company
2010-00-248-0556M122 INTERCHANGEABLE
Propeller,marine
Michigan Wheel Operations, Llc
5120-00-398-4576 INTERCHANGEABLE
Remover,shaft
1377-00-529-6566 INTERCHANGEABLE
Cartridge,impulse
5310-00-732-0560 INTERCHANGEABLE
Nut,plain,hexagon
6685-01-063-5477P20.22 INTERCHANGEABLE
Thermowell
Cannon Instrument Company Dba Cannon Instrument Co, Inc
6680-01-160-5292436-05 INTERCHANGEABLE
Indicator,sight,liquid
Ernst, John C & Co, Inc.
5950-01-230-5516325282-1 INTERCHANGEABLE
Transformer,power
Raytheon Company
5977-01-270-03854360-5 INTERCHANGEABLE
Holder,electrical Contact Brush
Dynamic Air Engineering, Inc.
Cross-Reference Index
Part NumberManufacturer
43605 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
10208 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
10208 Apex Tool Group, Llc Dba Nicholson (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 Sae International Dba Sae International (USA)
10208 Easco Hand Tools Inc (USA)
9-43605 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
M122R Stanley Industrial & Automotive Llc (USA)
M122 Stanley Industrial & Automotive Llc (USA)
00943605000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
Related Parts
3110-00-155-6374INTERCHANGEABLE
BEARING,BALL,ANNULAR
160920
2590-00-231-6378INTERCHANGEABLE
VALVE,POPPET,HULL DRAIN
54295
2010-00-248-0556INTERCHANGEABLE
PROPELLER,MARINE
M122
5120-00-398-4576INTERCHANGEABLE
REMOVER,SHAFT
1377-00-529-6566INTERCHANGEABLE
CARTRIDGE,IMPULSE
5310-00-732-0560INTERCHANGEABLE
NUT,PLAIN,HEXAGON
6685-01-063-5477INTERCHANGEABLE
THERMOWELL
P20.22
6680-01-160-5292INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
436-05
5950-01-230-5516INTERCHANGEABLE
TRANSFORMER,POWER
325282-1
5977-01-270-0385INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
4360-5
5331-01-398-3772INTERCHANGEABLE
O-RING
43605
5950-01-436-1100INTERCHANGEABLE
REACTOR
3287-01

Frequently Asked Questions

What is NSN 5120-01-366-8266?

NSN 5120-01-366-8266 is a Socket,socket Wrench, manufactured by Sears, Roebuck and Co. Dba Sears Div Sears Commercial, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-366-8266?

NSN 5120-01-366-8266 has 11 cross-referenced part numbers: 43605 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 10208 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 10208 (Apex Tool Group, Llc Dba Nicholson), AS954 (Society of Automotive Engineers Inc), AS954 (Sae International Dba Sae International) and 6 more.

What NSN replaces 5120-01-366-8266?

There are 12 known substitutes for 5120-01-366-8266: 3110-00-155-6374, 2590-00-231-6378, 2010-00-248-0556 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43605?

Key specifications for 43605: Wrenching Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Material: STEEL OVERALL; Drive Surface Size: 0.250 INCHES NOMINAL SINGLE END IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-366-8266 still in active supply?

NSN 5120-01-366-8266 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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