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5305-00-424-6830

Find complete technical information, availability, and procurement data for: 5305-00-424-6830

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5305-00-424-6830
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-424-6830
Item Name Code
29294
Assigment Date
04/16/1971 (55 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.

0.350 inches minimum and 0.400 inches maximum thread length, right-hand thread direction, pan head style, 0.985 inches minimum and 1.015 inches maximum fastener length, 3a thread class

Product Characteristics

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

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.350 inches minimum and 0.400 inches maximum
Fastener Length
0.985 inches minimum and 1.015 inches maximum
Head Style
pan
Head Diameter
0.594 inches minimum and 0.615 inches maximum
Head Height
0.203 inches minimum and 0.218 inches maximum
Grip Diameter
0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style
offset cruciform (torque set)
Nominal Thread Diameter
0.312 inches
Grip Length
0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Surface Finish
32.0 microinches threads
Material
titanium alloy uns r54520 overall
Material Document And Classification
nas621,comp 6al-4v assn std single material response overall
Thread Series Designator
unjf
Specification/Standard Data
80205-nas1135 professional/industrial association standard

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
NAS1135V10 Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-424-6830?
The FSCG of the NSN 5305-00-424-6830 is 5305
Does the NSN 5305-00-424-6830 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-00-424-6830 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 5305-00-424-6830 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-424-6830 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 5305-00-424-6830 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Fri, Apr 16, 1971

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