PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13-342Socket,socket Wrench

Armstrong Bros Tool Co · NSN 5120-00-261-2818 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-00-261-2818 — this item is cataloged by the U.S. Government under National Stock Number 5120-00-261-2818. Primary manufacturer part number: 13-342.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Wrenching Surface Size: 1.312 INCHES NOMINAL SINGLE END IN
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE
  • Special Markings: 1-5/16 IN. IN
  • Style Designator: INTERNAL-INTERNAL
  • Features Provided: MANUAL TOOL
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-00-261-2818, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Armstrong Bros Tool Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-00-261-2818
Primary Part Number13-342
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerArmstrong Bros Tool Co
StatusACTIVE
MaterialSTEEL OVERALL
Wrenching Surface Size1.312 INCHES NOMINAL SINGLE END IN
Drive End ShapeSQUARE SINGLE END INTERNAL
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND B STYLE
Special Markings1-5/16 IN. IN
Style DesignatorINTERNAL-INTERNAL
Features ProvidedMANUAL TOOL
Drive Surface Size0.750 INCHES NOMINAL SINGLE END IN
Specification/standard Data0U583-SAE AS954 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Surface TreatmentCHROMIUM OVERALL
Wrenching Surface Shape12 POINT SINGLE END INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9287 INTERCHANGEABLE
Drill,twist
5330-00-217-87390161724-00 INTERCHANGEABLE
Retainer,packing
Hyster-Yale Group, Inc. Dba Yale Materials Handling
5120-00-261-2811 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2812 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2813 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2814 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2815 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2816 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2817 INTERCHANGEABLE
Socket,socket Wrench
5120-00-261-2819 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
13-342 Armstrong Bros Tool Co (USA)
B107.1 CL1STB General Services Administration Federal Supply Service (USA)
B107.1 TY1CL2 General Services Administration Federal Supply Service (USA)
AS954 Sae International Dba Sae International (USA)
13-342 Apex Tool Group, Llc Dba Nicholson (USA)
AS954 TY1CL1STB General Services Administration Federal Supply Service (USA)
GGG-W-641 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
A-A-1395 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
AS954 Society of Automotive Engineers Inc (USA)
B107.1 The American Society of Mechanical Engineers (USA)
13-342 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
Related Parts
5133-00-189-9287INTERCHANGEABLE
DRILL,TWIST
5330-00-217-8739INTERCHANGEABLE
RETAINER,PACKING
0161724-00
5120-00-261-2811INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2812INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2813INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2814INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2815INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2816INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2817INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2819INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2820INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5120-00-261-2821INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 5120-00-261-2818?

NSN 5120-00-261-2818 is a Socket,socket Wrench, manufactured by Armstrong Bros Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-00-261-2818?

NSN 5120-00-261-2818 has 11 cross-referenced part numbers: 13-342 (Armstrong Bros Tool Co), B107.1 CL1STB (General Services Administration Federal Supply Service), B107.1 TY1CL2 (General Services Administration Federal Supply Service), AS954 (Sae International Dba Sae International), 13-342 (Apex Tool Group, Llc Dba Nicholson) and 6 more.

What NSN replaces 5120-00-261-2818?

There are 12 known substitutes for 5120-00-261-2818: 5133-00-189-9287, 5330-00-217-8739, 5120-00-261-2811 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13-342?

Key specifications for 13-342: Material: STEEL OVERALL; Wrenching Surface Size: 1.312 INCHES NOMINAL SINGLE END IN; Drive End Shape: SQUARE SINGLE END INTERNAL; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND B STYLE. 12 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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