PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12042Socket,socket Wrench

Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. · NSN 5120-01-430-7891 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-430-7891 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-430-7891. Primary manufacturer part number: 12042.
Features
  • Socket,socket Wrench — FSC 5120
  • Material: STEEL OVERALL
  • Features Provided: MANUAL TOOL
  • Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN
  • Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL
  • Drive End Shape: SQUARE SINGLE END INTERNAL
  • Surface Treatment: CHROMIUM OVERALL
  • Drive Surface Size: 0.500 INCHES NOMINAL SINGLE END IN
Applications
  • Applications requiring Steel Overall construction
General Description

The Socket,socket Wrench, cataloged under National Stock Number 5120-01-430-7891, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-430-7891
Primary Part Number12042
Item NameSocket,socket Wrench
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEasco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.
StatusACTIVE
MaterialSTEEL OVERALL
Features ProvidedMANUAL TOOL
Wrenching Surface Size1.250 INCHES NOMINAL SINGLE END IN
Wrenching Surface Shape6 POINT SINGLE END INTERNAL
Drive End ShapeSQUARE SINGLE END INTERNAL
Surface TreatmentCHROMIUM OVERALL
Drive Surface Size0.500 INCHES NOMINAL SINGLE END IN
Style DesignatorINTERNAL-INTERNAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2530-00-040-2688 INTERCHANGEABLE
Detent Plate
5120-00-223-95571204-2 INTERCHANGEABLE
Extractor,stuffing Box and Pump
C. S. Osborne and Company Dba Cs Osborne & Co
5945-00-502-96431204-2 INTERCHANGEABLE
Relay,electromagnetic
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5950-00-647-9078 INTERCHANGEABLE
Transformer,discriminator
5950-00-699-035312042 INTERCHANGEABLE
Core,electromagnetic Component
Parker-Hannifin Corporation Dba Control Systems Division
6150-00-935-523517405 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
6625-00-976-9555 INTERCHANGEABLE
Switch,electronic
5998-01-037-963212042 INTERCHANGEABLE
Printed Circuit Board
Giga-Tronics Incorporated Dba Giga-Tronics
5360-01-197-02951204-2 INTERCHANGEABLE
Spring
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5310-01-294-1583 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
12042 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
12042 Easco Hand Tools Inc (USA)
12042 Apex Tool Group, Llc Dba Nicholson (USA)
Related Parts
2530-00-040-2688INTERCHANGEABLE
DETENT PLATE
5120-00-223-9557INTERCHANGEABLE
EXTRACTOR,STUFFING BOX AND PUMP
1204-2
5945-00-502-9643INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
1204-2
5950-00-647-9078INTERCHANGEABLE
TRANSFORMER,DISCRIMINATOR
5950-00-699-0353INTERCHANGEABLE
CORE,ELECTROMAGNETIC COMPONENT
12042
6150-00-935-5235INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17405
6625-00-976-9555INTERCHANGEABLE
SWITCH,ELECTRONIC
5998-01-037-9632INTERCHANGEABLE
PRINTED CIRCUIT BOARD
12042
5360-01-197-0295INTERCHANGEABLE
SPRING
1204-2
5310-01-294-1583INTERCHANGEABLE
WASHER,FLAT
5930-01-441-8659INTERCHANGEABLE
SWITCH,LEVER

Frequently Asked Questions

What is NSN 5120-01-430-7891?

NSN 5120-01-430-7891 is a Socket,socket Wrench, manufactured by Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc., classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-430-7891?

NSN 5120-01-430-7891 has 3 cross-referenced part numbers: 12042 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 12042 (Easco Hand Tools Inc), 12042 (Apex Tool Group, Llc Dba Nicholson).

What NSN replaces 5120-01-430-7891?

There are 11 known substitutes for 5120-01-430-7891: 2530-00-040-2688, 5120-00-223-9557, 5945-00-502-9643 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12042?

Key specifications for 12042: Material: STEEL OVERALL; Features Provided: MANUAL TOOL; Wrenching Surface Size: 1.250 INCHES NOMINAL SINGLE END IN; Wrenching Surface Shape: 6 POINT SINGLE END INTERNAL. 10 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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