PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306493Screw,cap,hexagon Head

Brp Us Inc · NSN 5305-00-435-0564 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-435-0564 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-435-0564. Primary manufacturer part number: 306493.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Quantity Per Inch: 20
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 1038 OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1038 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-435-0564, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-435-0564
Primary Part Number306493
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusCANCELLED
Thread Quantity Per Inch20
Nominal Thread Diameter0.250 INCHES IN
Hardness Rating24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 1038 OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Head StyleHEXAGON
Head Height0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN
Width Between Flats0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Fastener Length1.625 INCHES NOMINAL IN
Thread Length0.750 INCHES MINIMUM IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5962-00-250-482419-09701-00 INTERCHANGEABLE
Microcircuit,digital
Compaq Federal Llc
Cross-Reference Index
Part NumberManufacturer
306493 PRIMARY Brp Us Inc (USA)
306493 Outboard Marine Corp Johnson Motors Div (USA)
Related Parts
5962-00-250-4824INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
19-09701-00

Frequently Asked Questions

What is NSN 5305-00-435-0564?

NSN 5305-00-435-0564 is a Screw,cap,hexagon Head, manufactured by Brp Us Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-435-0564?

NSN 5305-00-435-0564 has 2 cross-referenced part numbers: 306493 (Brp Us Inc), 306493 (Outboard Marine Corp Johnson Motors Div).

What NSN replaces 5305-00-435-0564?

There is 1 known substitute for 5305-00-435-0564: 5962-00-250-4824. Verify interchangeability with system specifications before substitution.

What are the specifications of 306493?

Key specifications for 306493: Thread Quantity Per Inch: 20; Nominal Thread Diameter: 0.250 INCHES IN; Hardness Rating: 24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL COMP 1038 OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-435-0564 still in active supply?

NSN 5305-00-435-0564 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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