PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

526-0Screw,machine

Linemaster Switch Corporation Dba Linemaster Switch Corp · NSN 5305-00-922-4439 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-922-4439 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-922-4439. Primary manufacturer part number: 526-0.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Fastener Length: 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Head Style: BINDING
  • Screw Surface Treatment: CADMIUM
  • Head Height: 0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.250 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-922-4439, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Linemaster Switch Corporation Dba Linemaster Switch Corp. Government technical data includes 14 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-922-4439
Primary Part Number526-0
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLinemaster Switch Corporation Dba Linemaster Switch Corp
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Head StyleBINDING
Screw Surface TreatmentCADMIUM
Head Height0.104 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length0.250 INCHES MINIMUM IN
Head Diameter0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Thread Quantity Per Inch20
Screw MaterialSTEEL CORROSION RESISTING
Thread Class2A A
Internal Drive StyleSLOT
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2995-00-013-3711DS-934406 INTERCHANGEABLE
Sleeve,selector
Eaton Aerospace, Llc Dba Jackson South
5120-00-017-8307J5260 INTERCHANGEABLE
Bar,adapter Set
Stanley Black & Decker, Inc.
3110-00-100-0230389 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
2915-00-166-4957 INTERCHANGEABLE
Rotor,fuel Pump
4730-00-185-1460128ESM10007-11 INTERCHANGEABLE
Elbow,flange to Tube
Northrop Grumman Systems Corporation
5310-00-359-11925260 INTERCHANGEABLE
Nut,plain,hexagon
Mitsubishi Caterpillar Forklift America, Inc
1377-00-488-6870 INTERCHANGEABLE
Cartridge,powder Actuated Tool
6240-00-519-02641M5899 INTERCHANGEABLE
Lamp,incandescent
Caterpillar Inc Div Caterpillar Defense
6680-00-526-8366 INTERCHANGEABLE
Indicator,sight,liquid
5935-00-755-29125260 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
526-0 PRIMARY Linemaster Switch Corporation Dba Linemaster Switch Corp (USA)
Related Parts
2995-00-013-3711INTERCHANGEABLE
SLEEVE,SELECTOR
DS-934406
5120-00-017-8307INTERCHANGEABLE
BAR,ADAPTER SET
J5260
3110-00-100-0230INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
389
2915-00-166-4957INTERCHANGEABLE
ROTOR,FUEL PUMP
4730-00-185-1460INTERCHANGEABLE
ELBOW,FLANGE TO TUBE
128ESM10007-11
5310-00-359-1192INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5260
1377-00-488-6870INTERCHANGEABLE
CARTRIDGE,POWDER ACTUATED TOOL
6240-00-519-0264INTERCHANGEABLE
LAMP,INCANDESCENT
1M5899
6680-00-526-8366INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
5935-00-755-2912INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5260
5330-00-765-2919INTERCHANGEABLE
GASKET
G9-199180
2090-01-079-9360INTERCHANGEABLE
CHAIR,PLANESMAN STATION,RIGHT HA
525-126

Frequently Asked Questions

What is NSN 5305-00-922-4439?

NSN 5305-00-922-4439 is a Screw,machine, manufactured by Linemaster Switch Corporation Dba Linemaster Switch Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-922-4439?

NSN 5305-00-922-4439 has 1 cross-referenced part number: 526-0 (Linemaster Switch Corporation Dba Linemaster Switch Corp).

What NSN replaces 5305-00-922-4439?

There are 12 known substitutes for 5305-00-922-4439: 2995-00-013-3711, 5120-00-017-8307, 3110-00-100-0230 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 526-0?

Key specifications for 526-0: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Fastener Length: 0.593 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Head Style: BINDING; Screw Surface Treatment: CADMIUM. 14 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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