PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WF104Socket,socket Wrench

Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc · NSN 5120-01-290-3340 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-290-3340 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-290-3340. Primary manufacturer part number: WF104.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching End Opening Depth: 0.469 INCHES NOMINAL IN
  • Surface Treatment: CHROMIUM OVERALL
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 0.920 INCHES NOMINAL SINGLE END IN
  • Style Designator: INTERNAL-INTERNAL
  • Wrenching End Outside Diameter: 1.250 INCHES NOMINAL IN
  • Drive End Outside Diameter: 1.118 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-290-3340, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-290-3340
Primary Part NumberWF104
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerIdsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
StatusACTIVE
Wrenching End Opening Depth0.469 INCHES NOMINAL IN
Surface TreatmentCHROMIUM OVERALL
MaterialSTEEL OVERALL
Wrenching Surface Size0.920 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Wrenching End Outside Diameter1.250 INCHES NOMINAL IN
Drive End Outside Diameter1.118 INCHES NOMINAL IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.375 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2940-01-117-5552WF2076 INTERCHANGEABLE
Filter Element,fluid
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
WF104 Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
Related Parts
2940-01-117-5552INTERCHANGEABLE
FILTER ELEMENT,FLUID
WF2076

Frequently Asked Questions

What is NSN 5120-01-290-3340?

NSN 5120-01-290-3340 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: active.

What are the part numbers for NSN 5120-01-290-3340?

NSN 5120-01-290-3340 has 1 cross-referenced part number: WF104 (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).

What NSN replaces 5120-01-290-3340?

There is 1 known substitute for 5120-01-290-3340: 2940-01-117-5552. Verify interchangeability with system specifications before substitution.

What are the specifications of WF104?

Key specifications for WF104: Overall Length: 1.125 INCHES NOMINAL IN; Wrenching End Opening Depth: 0.469 INCHES NOMINAL IN; Surface Treatment: CHROMIUM OVERALL; Material: STEEL OVERALL. 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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