PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20258439Screw,machine

Warner Robins Air Logistics Center · NSN 5305-00-833-5290 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-833-5290 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-833-5290. Primary manufacturer part number: 20258439.
Features
  • Screw,machine — FSC 5305
  • Head Style: FLAT COUNTERSUNK
  • Head Diameter: 1.125 INCHES NOMINAL IN
  • Internal Drive Style: CROSS RECESS TYPE 1
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.562 INCHES IN
  • Screw Surface Treatment: CADMIUM
  • Thread Quantity Per Inch: 18
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-833-5290, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Warner Robins Air Logistics Center. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-833-5290
Primary Part Number20258439
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWarner Robins Air Logistics Center
StatusACTIVE
Head StyleFLAT COUNTERSUNK
Head Diameter1.125 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.562 INCHES IN
Screw Surface TreatmentCADMIUM
Thread Quantity Per Inch18
Thread Series DesignatorUNF
Thread Class2A A
Screw MaterialSTEEL
Fastener Length2.880 INCHES NOMINAL IN
Thread Length0.880 INCHES MINIMUM IN
Countersink Angle100.0 DEGREES NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5360-00-316-3486102.54-8 INTERCHANGEABLE
Spring,helical,extension
Ward Leonard Ct Llc
5305-00-939-9645102548 INTERCHANGEABLE
Screw,machine
Massachusetts Institute of Technology
5950-00-946-778110106066-25 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
5995-01-250-01961025-48 INTERCHANGEABLE
Cable Assembly,radio Frequency
Tektest, Inc Dba E-Z-Hook Div E-Z-Hook, Division of Tektest, Inc.
Cross-Reference Index
Part NumberManufacturer
20258439 PRIMARY Warner Robins Air Logistics Center (USA)
102548 Air Logistics Corporation Dba Air Logistics Corp (USA)
202528439-01 Warner Robins Air Logistics Center (USA)
Related Parts
5360-00-316-3486INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
102.54-8
5305-00-939-9645INTERCHANGEABLE
SCREW,MACHINE
102548
5950-00-946-7781INTERCHANGEABLE
COIL,RADIO FREQUENCY
10106066-25
5995-01-250-0196INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
1025-48

Frequently Asked Questions

What is NSN 5305-00-833-5290?

NSN 5305-00-833-5290 is a Screw,machine, manufactured by Warner Robins Air Logistics Center, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-833-5290?

NSN 5305-00-833-5290 has 3 cross-referenced part numbers: 20258439 (Warner Robins Air Logistics Center), 102548 (Air Logistics Corporation Dba Air Logistics Corp), 202528439-01 (Warner Robins Air Logistics Center).

What NSN replaces 5305-00-833-5290?

There are 4 known substitutes for 5305-00-833-5290: 5360-00-316-3486, 5305-00-939-9645, 5950-00-946-7781 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20258439?

Key specifications for 20258439: Head Style: FLAT COUNTERSUNK; Head Diameter: 1.125 INCHES NOMINAL IN; Internal Drive Style: CROSS RECESS TYPE 1; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com