PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18205Key,socket Head Screw

Eklind Tool Co · NSN 5120-01-578-7429 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-578-7429 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-578-7429. Primary manufacturer part number: 18205.
Features
  • Key,socket Head Screw — FSC 5120
  • Style Designator: L-HANDLE
  • Wrenching Surface Size: 0.078 INCHES NOMINAL BOTH ENDS IN
  • Surface Treatment: OXIDE OVERALL
  • Wrenching Surface Shape: HEXAGON BOTH ENDS EXTERNAL
  • Specification/standard Data: 05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Material: STEEL OVERALL
  • Features Provided: BALL END
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Key,socket Head Screw, cataloged under National Stock Number 5120-01-578-7429, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Eklind Tool Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 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
NSN5120-01-578-7429
Primary Part Number18205
Item NameKey,socket Head Screw
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerEklind Tool Co
StatusACTIVE
Style DesignatorL-HANDLE
Wrenching Surface Size0.078 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentOXIDE OVERALL
Wrenching Surface ShapeHEXAGON BOTH ENDS EXTERNAL
Specification/standard Data05047-ASME B18.3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Features ProvidedBALL END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5930-00-137-72841823-5 INTERCHANGEABLE
Switch,pressure
Dwyer Instruments Inc
5330-00-292-31161820-5 INTERCHANGEABLE
Packing,preformed
Strohmeyer, Julie a. Dba Julie a. Strohmeyer
5935-00-333-136318205 INTERCHANGEABLE
Adapter,connector
Times Microwave Systems, Inc Dba Times Microwave Systems Inc Div Times Microwave Systems
5999-00-342-3007 INTERCHANGEABLE
Contact,electrical
6105-00-759-1025 INTERCHANGEABLE
Motor,alternating Current
5305-00-959-2714MS35190-214 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3040-01-211-4226OHS 18205 INTERCHANGEABLE
Collar,shaft
Ohio Hydraulic Equipment Llc
5961-01-469-916559304 INTERCHANGEABLE
Diode Assembly
Orbit International Corp. Div Orbit Instrument
8465-01-502-7029 INTERCHANGEABLE
Carrier,chemical Mace Cartridge
5305-01-664-493518205 INTERCHANGEABLE
Screw,cap,hexagon Head
Fastenal Company Dba Fastenal Co
Cross-Reference Index
Part NumberManufacturer
59304 Apex Tool Group, Llc Dba Nicholson (USA)
B18.3 The American Society of Mechanical Engineers (USA)
59304 Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc. (USA)
18205 PRIMARY Eklind Tool Co (USA)
59304 Armstrong Bros Tool Co (USA)
Related Parts
5930-00-137-7284INTERCHANGEABLE
SWITCH,PRESSURE
1823-5
5330-00-292-3116INTERCHANGEABLE
PACKING,PREFORMED
1820-5
5935-00-333-1363INTERCHANGEABLE
ADAPTER,CONNECTOR
18205
5999-00-342-3007INTERCHANGEABLE
CONTACT,ELECTRICAL
6105-00-759-1025INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5305-00-959-2714INTERCHANGEABLE
SCREW,MACHINE
MS35190-214
3040-01-211-4226INTERCHANGEABLE
COLLAR,SHAFT
OHS 18205
5961-01-469-9165INTERCHANGEABLE
DIODE ASSEMBLY
59304
8465-01-502-7029INTERCHANGEABLE
CARRIER,CHEMICAL MACE CARTRIDGE
5305-01-664-4935INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
18205
5340-01-666-3309INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
18205

Frequently Asked Questions

What is NSN 5120-01-578-7429?

NSN 5120-01-578-7429 is a Key,socket Head Screw, manufactured by Eklind Tool Co, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-578-7429?

NSN 5120-01-578-7429 has 5 cross-referenced part numbers: 59304 (Apex Tool Group, Llc Dba Nicholson), B18.3 (The American Society of Mechanical Engineers), 59304 (Easco Hand Tools Inc Dba Danaher Tool Group Div Danaher Tool Group Easco Hand Tools Inc.), 18205 (Eklind Tool Co), 59304 (Armstrong Bros Tool Co).

What NSN replaces 5120-01-578-7429?

There are 11 known substitutes for 5120-01-578-7429: 5930-00-137-7284, 5330-00-292-3116, 5935-00-333-1363 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18205?

Key specifications for 18205: Overall Length: 6.000 INCHES NOMINAL IN; Style Designator: L-HANDLE; Wrenching Surface Size: 0.078 INCHES NOMINAL BOTH ENDS IN; Surface Treatment: OXIDE OVERALL. 8 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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