PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B107.10 TY2CL2STBExtension,socket Wrench

General Services Administration Federal Supply Service · NSN 5120-01-398-7708 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-398-7708 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-398-7708. Primary manufacturer part number: B107.10 TY2CL2STB.
Features
  • Extension,socket Wrench — FSC 5120
  • Style Designator: FLEXIBLE
  • Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SECOND END EXTERNAL
  • Features Provided: MANUAL TOOL
  • Drive Surface Size: 0.250 INCHES NOMINAL BOTH ENDS IN
  • Nondefinitive Spec/std Data: 2 TYPE AND 2 CLASS AND B STYLE
Applications
  • Applications requiring Steel Overall construction
General Description

The Extension,socket Wrench, cataloged under National Stock Number 5120-01-398-7708, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-398-7708
Primary Part NumberB107.10 TY2CL2STB
Item NameExtension,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Style DesignatorFLEXIBLE
Specification/standard Data05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SECOND END EXTERNAL
Features ProvidedMANUAL TOOL
Drive Surface Size0.250 INCHES NOMINAL BOTH ENDS IN
Nondefinitive Spec/std Data2 TYPE AND 2 CLASS AND B STYLE
MaterialSTEEL OVERALL
Drive End ShapeSQUARE FIRST END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5120-00-022-9797 INTERCHANGEABLE
Extension,socket Wrench
5120-00-240-1532 INTERCHANGEABLE
Extension,socket Wrench
5935-00-583-1630UDS-6-12-002 INTERCHANGEABLE
Connector,plug,electrical
Itt Cannon Llc
5120-01-021-2683 INTERCHANGEABLE
Extension,socket Wrench
5950-01-177-949575Z686-D19 INTERCHANGEABLE
Coil,electrical
Morris Material Handling, Inc.
5945-01-283-5303LE456-0001 INTERCHANGEABLE
Relay,solid State
The Boeing Company Div Legacy Am&m
5120-01-335-1075TM61A INTERCHANGEABLE
Extension,socket Wrench
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
5120-01-399-9526 INTERCHANGEABLE
Extension,socket Wrench
Cross-Reference Index
Part NumberManufacturer
B107.10 TY2CL2STB General Services Administration Federal Supply Service (USA)
9-4336 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
00904336000 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
04336 Sears, Roebuck and Co. Dba Sears Div Sears Commercial (USA)
B107.10 The American Society of Mechanical Engineers (USA)
Related Parts
5120-00-022-9797INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5120-00-240-1532INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5935-00-583-1630INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
UDS-6-12-002
5120-01-021-2683INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5950-01-177-9495INTERCHANGEABLE
COIL,ELECTRICAL
75Z686-D19
5945-01-283-5303INTERCHANGEABLE
RELAY,SOLID STATE
LE456-0001
5120-01-335-1075INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
TM61A
5120-01-399-9526INTERCHANGEABLE
EXTENSION,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-398-7708?

NSN 5120-01-398-7708 is a Extension,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 5120-01-398-7708?

NSN 5120-01-398-7708 has 5 cross-referenced part numbers: B107.10 TY2CL2STB (General Services Administration Federal Supply Service), 9-4336 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 00904336000 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), 04336 (Sears, Roebuck and Co. Dba Sears Div Sears Commercial), B107.10 (The American Society of Mechanical Engineers).

What NSN replaces 5120-01-398-7708?

There are 8 known substitutes for 5120-01-398-7708: 5120-00-022-9797, 5120-00-240-1532, 5935-00-583-1630 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B107.10 TY2CL2STB?

Key specifications for B107.10 TY2CL2STB: Style Designator: FLEXIBLE; Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Surface Treatment: CHROMIUM OVERALL; Drive End Shape: SQUARE SECOND END EXTERNAL. 10 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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