PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GF4LBHandle,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-0741 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-0741 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-0741. Primary manufacturer part number: GF4LB.
Features
  • Handle,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Surface Treatment: OXIDE OVERALL
  • Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Nondefinitive Spec/std Data: 1 TYPE AND 3 CLASS AND A STYLE
  • Drive End Shape: SQUARE SINGLE END EXTERNAL
  • Drive Surface Size: 0.375 INCHES NOMINAL SINGLE END IN
  • Style Designator: BRACE WITH SINGLE REVOLVING GRIP
Applications
  • Applications requiring Steel Overall construction
General Description

The Handle,socket Wrench, cataloged under National Stock Number 5120-01-335-0741, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 7 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-0741
Primary Part NumberGF4LB
Item NameHandle,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
MaterialSTEEL OVERALL
Surface TreatmentOXIDE OVERALL
Specification/standard Data05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nondefinitive Spec/std Data1 TYPE AND 3 CLASS AND A STYLE
Drive End ShapeSQUARE SINGLE END EXTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Style DesignatorBRACE WITH SINGLE REVOLVING GRIP
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-237-4969 INTERCHANGEABLE
Handle,socket Wrench
5120-00-240-141840981 INTERCHANGEABLE
Handle,socket Wrench
S K Hand Tool Corp
5120-00-249-1071 INTERCHANGEABLE
Handle,socket Wrench
5120-01-016-8708 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-0715 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-0716 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-0734 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-0758 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-0761 INTERCHANGEABLE
Handle,socket Wrench
5120-01-335-203345181 INTERCHANGEABLE
Handle,socket Wrench
S K Hand Tool Corp
Cross-Reference Index
Part NumberManufacturer
GF4LB Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.10 The American Society of Mechanical Engineers (USA)
B107.10M The American Society of Mechanical Engineers (USA)
GF4LA Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.10 TY1CL3STA General Services Administration Federal Supply Service (USA)
B107.10M TY1CL3ST1 General Services Administration Federal Supply Service (USA)
Related Parts
5120-00-237-4969INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-00-240-1418INTERCHANGEABLE
HANDLE,SOCKET WRENCH
40981
5120-00-249-1071INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-016-8708INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-0715INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-0716INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-0734INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-0758INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-0761INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-01-335-2033INTERCHANGEABLE
HANDLE,SOCKET WRENCH
45181
5120-01-355-1865INTERCHANGEABLE
HANDLE,SOCKET WRENCH
5120-00-NIB-1865
5120-01-355-1911INTERCHANGEABLE
HANDLE,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-01-335-0741?

NSN 5120-01-335-0741 is a Handle,socket Wrench, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5120 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5120-01-335-0741?

NSN 5120-01-335-0741 has 6 cross-referenced part numbers: GF4LB (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.10 (The American Society of Mechanical Engineers), B107.10M (The American Society of Mechanical Engineers), GF4LA (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), B107.10 TY1CL3STA (General Services Administration Federal Supply Service) and 1 more.

What NSN replaces 5120-01-335-0741?

There are 12 known substitutes for 5120-01-335-0741: 5120-00-237-4969, 5120-00-240-1418, 5120-00-249-1071 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of GF4LB?

Key specifications for GF4LB: Material: STEEL OVERALL; Surface Treatment: OXIDE OVERALL; Specification/standard Data: 05047-ASME B107.10 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Special Features: CONTOURED STEEL HANDLE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-0741 still in active supply?

NSN 5120-01-335-0741 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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