PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS35224-79Screw,machine

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-543-2220 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-2220 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-2220. Primary manufacturer part number: MS35224-79.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Head Diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 28
  • Head Height: 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
  • Thread Series Designator: UNF
  • Screw Material: STEEL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-543-2220, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-543-2220
Primary Part NumberMS35224-79
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.250 INCHES IN
Head Diameter0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN
Thread Quantity Per Inch28
Head Height0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Screw MaterialSTEEL
Thread Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Class2A A
Fastener Length0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Head StylePAN NO. 2
Screw Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5305-00-993-2463MS35207-279 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MS35224-79 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5305-00-993-2463INTERCHANGEABLE
SCREW,MACHINE
MS35207-279

Frequently Asked Questions

What is NSN 5305-00-543-2220?

NSN 5305-00-543-2220 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-543-2220?

NSN 5305-00-543-2220 has 1 cross-referenced part number: MS35224-79 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-543-2220?

There is 1 known substitute for 5305-00-543-2220: 5305-00-993-2463. Verify interchangeability with system specifications before substitution.

What are the specifications of MS35224-79?

Key specifications for MS35224-79: Thread Direction: RIGHT-HAND; Nominal Thread Diameter: 0.250 INCHES IN; Head Diameter: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Thread Quantity Per Inch: 28. 13 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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