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5305-01-615-5350

Find complete technical information, availability, and procurement data for: 5305-01-615-5350

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5305-01-615-5350
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-615-5350
Item Name Code
18257
Assigment Date
01/15/2013 (13 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.

0.600 inches minimum and 0.625 inches maximum thread length, 0.625 inches nominal fastener length, hexagon head style, 2a thread class, right-hand thread direction

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
0.600 inches minimum and 0.625 inches maximum
Fastener Length
0.625 inches nominal
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
End Item Identification
2320-01-531-2701
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Chamfer Angle
15.0 degrees minimum and 30.0 degrees maximum
Part Name Assigned By Controlling Agency
hex cap screw;1/4-20 x 5/8 yellow zinc finish sae j429 grade 8 hex cap screw
Material
steel overall
Material Document And Classification
gr.8 steel iaw sae j429 national std/spec single material response overall
Surface Treatment
zinc overall
Surface Treatment Document And Classification
ze/fn 5c per astm f1941 assn std single treatment response overall
Thread Series Designator
unc

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
0137770 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-615-5350?
The FSCG of the NSN 5305-01-615-5350 is 5305
Does the NSN 5305-01-615-5350 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-615-5350 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 5305-01-615-5350 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-615-5350 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 5305-01-615-5350 was assigned to the Federal Catalog?
It was assigned 13 years ago, on Tue, Jan 15, 2013

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