PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S38-78Socket,socket Wrench

Jbs Tools · NSN 5120-00-235-5809 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-235-5809 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-235-5809. Primary manufacturer part number: S38-78.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Features Provided: MANUAL TOOL
  • Environmental Attribute Code: PLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-235-5809, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Jbs Tools. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-00-235-5809
Primary Part NumberS38-78
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerJbs Tools
StatusCANCELLED
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
Environmental Attribute CodePLASTICS REMOVAL IN THE MARINE ENVIRONMENT (PRIME) PRODUCT
Drive End ShapeSQUARE SINGLE END INTERNAL
MaterialSTEEL OVERALL
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Size0.875 INCHES NOMINAL SINGLE END IN
Special Markings7/8 IN. IN
Style DesignatorINTERNAL-INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5120-00-235-5879 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0017 INTERCHANGEABLE
Socket,socket Wrench
5120-00-239-0018 INTERCHANGEABLE
Socket,socket Wrench
5120-00-241-3185 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-1463FDS121 INTERCHANGEABLE
Socket,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-00-277-1464 INTERCHANGEABLE
Socket,socket Wrench
5120-00-277-4252 INTERCHANGEABLE
Socket,socket Wrench
5120-00-596-0836 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
S38-78 Jbs Tools (AUS)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
NBD-28 Litton Industries Inc New Britain Tool Div (USA)
AS954 Society of Automotive Engineers Inc (USA)
52-3228 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
52-3228 Apex Tool Group, Llc Dba Nicholson (USA)
0394 4516 Blackwood J. Blackwood & Son Pty Ltd (AUS)
A-A-1403 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
B107.1 The American Society of Mechanical Engineers (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
Related Parts
5120-00-235-5879INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0017INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-239-0018INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-241-3185INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-1463INTERCHANGEABLE
SOCKET,SOCKET WRENCH
FDS121
5120-00-277-1464INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-277-4252INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-596-0836INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-235-5809?

NSN 5120-00-235-5809 is a Socket,socket Wrench, manufactured by Jbs Tools, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-00-235-5809?

NSN 5120-00-235-5809 has 13 cross-referenced part numbers: S38-78 (Jbs Tools), B107.1 CL1STB (General Services Administration Federal Supply Service), NBD-28 (Litton Industries Inc New Britain Tool Div), AS954 (Society of Automotive Engineers Inc), 52-3228 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.) and 8 more.

What NSN replaces 5120-00-235-5809?

There are 8 known substitutes for 5120-00-235-5809: 5120-00-235-5879, 5120-00-239-0017, 5120-00-239-0018 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of S38-78?

Key specifications for S38-78: Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN; Features Provided: MANUAL TOOL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-00-235-5809 still in active supply?

NSN 5120-00-235-5809 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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