PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FRS SFS261Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-335-0898 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-335-0898 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-335-0898. Primary manufacturer part number: FRS SFS261.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Outside Diameter: 1.141 INCHES MAXIMUM IN
  • Drive End Outside Diameter: 1.141 INCHES MAXIMUM IN
  • Wrenching End Opening Depth: 0.453 INCHES MAXIMUM IN
  • Style Designator: INTERNAL-INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Wrenching Surface Size: 0.812 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-335-0898, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5120-01-335-0898
Primary Part NumberFRS SFS261
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusCANCELLED
Wrenching End Outside Diameter1.141 INCHES MAXIMUM IN
Drive End Outside Diameter1.141 INCHES MAXIMUM IN
Wrenching End Opening Depth0.453 INCHES MAXIMUM IN
Style DesignatorINTERNAL-INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive End ShapeSQUARE SINGLE END INTERNAL
Wrenching Surface Size0.812 INCHES NOMINAL SINGLE END IN
Nondefinitive Spec/std Data1 TYPE
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Features ProvidedMANUAL TOOL
MaterialSTEEL OVERALL
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Specification/standard Data05047-ASME B107.110 CAT 1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
6810-00-234-8368 INTERCHANGEABLE
Sodium Bismuthate
4320-00-398-8755CS4320-0088 INTERCHANGEABLE
Tappet,pump
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5815-00-603-72213526 INTERCHANGEABLE
Link Assembly Brake
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5935-00-643-64691245516 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5999-00-660-471635-26 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
6730-01-032-2858 INTERCHANGEABLE
Projector,still Picture
5310-01-276-91283526 INTERCHANGEABLE
Nut,self-Locking,hexagon
Lebus International, Inc.
5330-01-376-96033526 INTERCHANGEABLE
Retainer,seal
Corken International Corp Sub of Hinderliter Industries Inc
8040-01-487-48303526 INTERCHANGEABLE
Adhesive
Loctite Corp
2920-01-498-50943526 INTERCHANGEABLE
Lead,ignition,engine
Amw Cuyuna Engine Co. Inc Dba Two Stroke International
Cross-Reference Index
Part NumberManufacturer
FRS SFS261 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
SFS261 Snap-on Tools (australia) Pty Ltd (AUS)
ZLW0108-9 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
SFS261 Snap-on Uk Holdings Limited (GBR)
B107.110 CAT 1 TY1 General Services Administration Federal Supply Service (USA)
ZHVY0110-17 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
B107.110 The American Society of Mechanical Engineers (USA)
B107.1 The American Society of Mechanical Engineers (USA)
SFS261 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
3526 Wright Tool Company, Llc (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
Related Parts
6810-00-234-8368INTERCHANGEABLE
SODIUM BISMUTHATE
4320-00-398-8755INTERCHANGEABLE
TAPPET,PUMP
CS4320-0088
5815-00-603-7221INTERCHANGEABLE
LINK ASSEMBLY BRAKE
3526
5935-00-643-6469INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1245516
5999-00-660-4716INTERCHANGEABLE
DELAY LINE
35-26
6730-01-032-2858INTERCHANGEABLE
PROJECTOR,STILL PICTURE
5310-01-276-9128INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3526
5330-01-376-9603INTERCHANGEABLE
RETAINER,SEAL
3526
8040-01-487-4830INTERCHANGEABLE
ADHESIVE
3526
2920-01-498-5094INTERCHANGEABLE
LEAD,IGNITION,ENGINE
3526
6640-01-641-9269INTERCHANGEABLE
PLATE,CULTURE,LABORATORY
3526

Frequently Asked Questions

What is NSN 5120-01-335-0898?

NSN 5120-01-335-0898 is a Socket,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 5120-01-335-0898?

NSN 5120-01-335-0898 has 11 cross-referenced part numbers: FRS SFS261 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), SFS261 (Snap-on Tools (australia) Pty Ltd), ZLW0108-9 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), SFS261 (Snap-on Uk Holdings Limited), B107.110 CAT 1 TY1 (General Services Administration Federal Supply Service) and 6 more.

What NSN replaces 5120-01-335-0898?

There are 11 known substitutes for 5120-01-335-0898: 6810-00-234-8368, 4320-00-398-8755, 5815-00-603-7221 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FRS SFS261?

Key specifications for FRS SFS261: Wrenching End Outside Diameter: 1.141 INCHES MAXIMUM IN; Drive End Outside Diameter: 1.141 INCHES MAXIMUM IN; Wrenching End Opening Depth: 0.453 INCHES MAXIMUM IN; Style Designator: INTERNAL-INTERNAL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5120-01-335-0898 still in active supply?

NSN 5120-01-335-0898 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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