PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28233Screw,cap,hexagon Head

Federal Screw Products, Inc. · NSN 5305-00-810-4304 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-810-4304 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-810-4304. Primary manufacturer part number: 28233.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Width Between Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Head Style: HEXAGON
  • Thread Length: 0.750 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-810-4304, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Screw Products, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-810-4304
Primary Part Number28233
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Screw Products, Inc.
StatusCANCELLED
Width Between Flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Head StyleHEXAGON
Thread Length0.750 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Nominal Thread Diameter0.190 INCHES IN
Thread Series DesignatorUNF
Head Height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread DirectionRIGHT-HAND
Thread Class2A A
Fastener Length0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
2530-00-028-3306F11331 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
2040-00-064-8158 INTERCHANGEABLE
Block,drive
3040-00-358-101528233 INTERCHANGEABLE
Shaft,shouldered
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6145-01-216-3740 INTERCHANGEABLE
Cable,power,electrical
5365-01-421-199628233 INTERCHANGEABLE
Spacer,plate
Ontic Engineering and Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
15754831-002 Markhon Inc.. (USA)
100C1207-11 B E Aerospace Inc Jacksonville Facility Dba Nordskog Industries (USA)
28233ADX Airdale Express Llc Div Airdale Express (USA)
8932640-14 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
FF-S-85 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
28233 PRIMARY Federal Screw Products, Inc. (USA)
8932640-14 Lockheed Martin Corporation Div Rms (USA)
Related Parts
2530-00-028-3306INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F11331
2040-00-064-8158INTERCHANGEABLE
BLOCK,DRIVE
3040-00-358-1015INTERCHANGEABLE
SHAFT,SHOULDERED
28233
6145-01-216-3740INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5365-01-421-1996INTERCHANGEABLE
SPACER,PLATE
28233

Frequently Asked Questions

What is NSN 5305-00-810-4304?

NSN 5305-00-810-4304 is a Screw,cap,hexagon Head, manufactured by Federal Screw Products, Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-810-4304?

NSN 5305-00-810-4304 has 7 cross-referenced part numbers: 15754831-002 (Markhon Inc..), 100C1207-11 (B E Aerospace Inc Jacksonville Facility Dba Nordskog Industries), 28233ADX (Airdale Express Llc Div Airdale Express), 8932640-14 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), FF-S-85 (Federal Specifications Promulgated by General Services Administration Washington DC) and 2 more.

What NSN replaces 5305-00-810-4304?

There are 5 known substitutes for 5305-00-810-4304: 2530-00-028-3306, 2040-00-064-8158, 3040-00-358-1015 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28233?

Key specifications for 28233: Width Between Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; Head Style: HEXAGON; Thread Length: 0.750 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-810-4304 still in active supply?

NSN 5305-00-810-4304 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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