PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-46Socket,socket Wrench

Utica Tool Co Inc · NSN 5120-01-278-1186 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-278-1186 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-278-1186. Primary manufacturer part number: R-46.
Features
  • Socket,socket Wrench — FSC 5120
  • Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN
  • Drive End Outside Diameter: 2.075 INCHES MAXIMUM IN
  • Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL
  • Material: STEEL OVERALL
  • Wrenching End Opening Depth: 0.950 INCHES MINIMUM IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A STYLE
  • Specification/standard Data: 81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-278-1186, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Utica Tool Co Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-278-1186
Primary Part NumberR-46
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerUtica Tool Co Inc
StatusACTIVE
Wrenching Surface Size1.438 INCHES NOMINAL SINGLE END IN
Drive End Outside Diameter2.075 INCHES MAXIMUM IN
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
MaterialSTEEL OVERALL
Wrenching End Opening Depth0.950 INCHES MINIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A STYLE
Specification/standard Data81343-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Wrenching End Outside Diameter2.075 INCHES MAXIMUM IN
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Drive End ShapeSQUARE SINGLE END INTERNAL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2920-00-064-7811306 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
2815-00-355-1652R46 INTERCHANGEABLE
Pin,piston
Hatch & Kirk, Inc.
5325-00-598-1474BACR12X1 INTERCHANGEABLE
Ring,retaining
The Boeing Company
5330-00-757-0593R46 INTERCHANGEABLE
Gasket
Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy
4240-01-250-8990R46 INTERCHANGEABLE
Cover,exhalation Valve
Square D Co Monroe Plant
Cross-Reference Index
Part NumberManufacturer
R-46 Utica Tool Co Inc (USA)
AS954 Sae International Dba Sae International (USA)
AS954 Society of Automotive Engineers Inc (USA)
AS954 TY1CL1STA General Services Administration Federal Supply Service (USA)
36246-01 Utica Tool Co Inc (USA)
Related Parts
2920-00-064-7811INTERCHANGEABLE
SPARK PLUG
306
2815-00-355-1652INTERCHANGEABLE
PIN,PISTON
R46
5325-00-598-1474INTERCHANGEABLE
RING,RETAINING
BACR12X1
5330-00-757-0593INTERCHANGEABLE
GASKET
R46
4240-01-250-8990INTERCHANGEABLE
COVER,EXHALATION VALVE
R46

Frequently Asked Questions

What is NSN 5120-01-278-1186?

NSN 5120-01-278-1186 is a Socket,socket Wrench, manufactured by Utica Tool Co Inc, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-278-1186?

NSN 5120-01-278-1186 has 5 cross-referenced part numbers: R-46 (Utica Tool Co Inc), AS954 (Sae International Dba Sae International), AS954 (Society of Automotive Engineers Inc), AS954 TY1CL1STA (General Services Administration Federal Supply Service), 36246-01 (Utica Tool Co Inc).

What NSN replaces 5120-01-278-1186?

There are 5 known substitutes for 5120-01-278-1186: 2920-00-064-7811, 2815-00-355-1652, 5325-00-598-1474 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-46?

Key specifications for R-46: Wrenching Surface Size: 1.438 INCHES NOMINAL SINGLE END IN; Drive End Outside Diameter: 2.075 INCHES MAXIMUM IN; Wrenching Surface Shape: 12 POINT SINGLE END INTERNAL; Special Features: BOLT CLEARANCE DIA MIN 1.388 IN. IN. 15 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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