PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

538Socket,socket Wrench

Thorsen Tool Co Sub of Wallace-Murray Corp · NSN 5120-00-293-0093 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-293-0093 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-293-0093. Primary manufacturer part number: 538.
Features
  • Socket,socket Wrench — FSC 5120
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Style Designator: INTERNAL-INTERNAL
  • Special Markings: 1-3/16 IN. IN
  • Wrenching Surface Size: 1.188 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-293-0093, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Thorsen Tool Co Sub of Wallace-Murray Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 14 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
NSN5120-00-293-0093
Primary Part Number538
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerThorsen Tool Co Sub of Wallace-Murray Corp
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Style DesignatorINTERNAL-INTERNAL
Special Markings1-3/16 IN. IN
Wrenching Surface Size1.188 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5999-00-025-901440-138 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
3030-00-080-8768AP38 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
1660-00-098-2265A38 INTERCHANGEABLE
Cap,spring Retainin
Essex Industries, Inc. Dba Essex Industries
5940-00-155-9661328353 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
3455-00-187-263238 INTERCHANGEABLE
Blade,hole Saw
Armstrong-Blum Mfg. Co.
5120-00-189-7913 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7914 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7917 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7924 INTERCHANGEABLE
Socket,socket Wrench
5120-00-189-7927 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
538 Thorsen Tool Co Sub of Wallace-Murray Corp (USA)
A38 Utica Tool Co Inc (USA)
A-A-1399 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 TY1CL1 General Services Administration Federal Supply Service (USA)
1435 Gray Forgings and Stampings Ltd (CAN)
B107.1 The American Society of Mechanical Engineers (USA)
AS954 Sae International Dba Sae International (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
B107.1 CL1STA General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-W-641 TY2CL2STA General Services Administration Federal Supply Service (USA)
40138 S K Hand Tool Corp (USA)
SW381 Sna Germany Gmbh (DEU)
S-138 Herbrand Tools Corp (CAN)
FRS SW381 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
0394 1810 Blackwood J. Blackwood & Son Pty Ltd (AUS)
AS954 Society of Automotive Engineers Inc (USA)
Related Parts
5999-00-025-9014INTERCHANGEABLE
CONTACT,ELECTRICAL
40-138
3030-00-080-8768INTERCHANGEABLE
BELT,V
AP38
1660-00-098-2265INTERCHANGEABLE
CAP,SPRING RETAININ
A38
5940-00-155-9661INTERCHANGEABLE
TERMINAL,LUG
328353
3455-00-187-2632INTERCHANGEABLE
BLADE,HOLE SAW
38
5120-00-189-7913INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7914INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7917INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7924INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7927INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7932INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-189-7933INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-293-0093?

NSN 5120-00-293-0093 is a Socket,socket Wrench, manufactured by Thorsen Tool Co Sub of Wallace-Murray Corp, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-293-0093?

NSN 5120-00-293-0093 has 17 cross-referenced part numbers: 538 (Thorsen Tool Co Sub of Wallace-Murray Corp), A38 (Utica Tool Co Inc), A-A-1399 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), B107.1 TY1CL1 (General Services Administration Federal Supply Service), 1435 (Gray Forgings and Stampings Ltd) and 12 more.

What NSN replaces 5120-00-293-0093?

There are 12 known substitutes for 5120-00-293-0093: 5999-00-025-9014, 3030-00-080-8768, 1660-00-098-2265 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 538?

Key specifications for 538: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Style Designator: INTERNAL-INTERNAL; Special Markings: 1-3/16 IN. IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-293-0093 still in active supply?

NSN 5120-00-293-0093 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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