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5305-01-533-4145

Find complete technical information, availability, and procurement data for: 5305-01-533-4145

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5305-01-533-4145
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-533-4145
Item Name Code
18257
Assigment Date
09/14/2005 (20 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

hexagon head style, 0.938 inches minimum and 1.000 inches maximum thread length, 2a thread class, right-hand thread direction, 1.393 inches minimum and 1.483 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.938 inches minimum and 1.000 inches maximum
Fastener Length
1.393 inches minimum and 1.483 inches maximum
Head Style
hexagon
Head Height
0.455 inches minimum and 0.483 inches maximum
Width Between Flats
1.100 inches minimum and 1.125 inches maximum
Hole Diameter
0.094 inches nominal
Nominal Thread Diameter
0.750 inches
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
16
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Hole Configuration Style
hexagon flats
Part Name Assigned By Controlling Agency
screw,cap,hexagon head(finished hexagon bolt)
Material
steel overall
Material Document And Classification
sae gr 8 assn std single material response overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
astm b633 typ 2 sc 3 assn std single treatment response overall
Thread Series Designator
unf

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
B1821BH075F100D Hexagon Head Cap Screw
MS18153-157 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-533-4145?
The FSCG of the NSN 5305-01-533-4145 is 5305
Does the NSN 5305-01-533-4145 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-533-4145 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-533-4145 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-533-4145 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-533-4145 was assigned to the Federal Catalog?
It was assigned 20 years ago, on Wed, Sep 14, 2005

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