PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.5M CL1STASocket,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-398-8048 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-8048 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-8048. Primary manufacturer part number: B107.5M CL1STA.
Features
  • Socket,socket Wrench — FSC 5120
  • Style Designator: INTERNAL-INTERNAL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 24.0 MILLIMETERS NOMINAL SINGLE END MM
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Specification/standard Data: 05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-398-8048, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-8048
Primary Part NumberB107.5M CL1STA
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Style DesignatorINTERNAL-INTERNAL
MaterialSTEEL OVERALL
Wrenching Surface Size24.0 MILLIMETERS NOMINAL SINGLE END MM
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Features ProvidedMANUAL TOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7530-00-285-29157530-00-285-2915 INTERCHANGEABLE
Jacket,filing,wallet
National Industries for the Blind
4710-00-343-999394424-2 INTERCHANGEABLE
Tube Assembly,metal
Northrop Grumman Systems Corporation
5950-00-702-3928240-0187-000 INTERCHANGEABLE
Coil,radio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
2805-00-927-32705704409 INTERCHANGEABLE
Parts Kit Plug Engi
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
B107.5M CL1STA General Services Administration Federal Supply Service (USA)
00944242000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.5M TY1CL1 General Services Administration Federal Supply Service (USA)
9-44242 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.5M The American Society of Mechanical Engineers (USA)
44242 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
Related Parts
7530-00-285-2915INTERCHANGEABLE
JACKET,FILING,WALLET
7530-00-285-2915
4710-00-343-9993INTERCHANGEABLE
TUBE ASSEMBLY,METAL
94424-2
5950-00-702-3928INTERCHANGEABLE
COIL,RADIO FREQUENCY
240-0187-000
2805-00-927-3270INTERCHANGEABLE
PARTS KIT PLUG ENGI
5704409

Frequently Asked Questions

What is NSN 5120-01-398-8048?

NSN 5120-01-398-8048 is a Socket,socket Wrench, manufactured by General Services Administration Federal Supply Service, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-398-8048?

NSN 5120-01-398-8048 has 6 cross-referenced part numbers: B107.5M CL1STA (General Services Administration Federal Supply Service), 00944242000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.5M TY1CL1 (General Services Administration Federal Supply Service), 9-44242 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.5M (The American Society of Mechanical Engineers) and 1 more.

What NSN replaces 5120-01-398-8048?

There are 4 known substitutes for 5120-01-398-8048: 7530-00-285-2915, 4710-00-343-9993, 5950-00-702-3928 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.5M CL1STA?

Key specifications for B107.5M CL1STA: Style Designator: INTERNAL-INTERNAL; Special Features: STANDARD LENGTH; Material: STEEL OVERALL; Wrenching Surface Size: 24.0 MILLIMETERS NOMINAL SINGLE END MM. 11 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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