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5305-00-984-7374

Find complete technical information, availability, and procurement data for: 5305-00-984-7374

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5305-00-984-7374
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-984-7374
Item Name Code
06657
Assigment Date
01/01/1960 (66 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.

right-hand thread direction, 0.750 inches nominal fastener length, 0.719 inches minimum and 0.750 inches maximum thread length, flat countersunk head style, 2a 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
2a
Thread Direction
right-hand
Thread Length
0.719 inches minimum and 0.750 inches maximum
Fastener Length
0.750 inches nominal
Head Style
flat countersunk
Head Diameter
0.147 inches minimum and 0.172 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.086 inches
Thread Quantity Per Inch
64
Minimum Tensile Strength
55000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
steel comp 1010 or steel comp 1011 or steel comp 1013
Screw Material Document And Classification
66 fed std all material responses
Screw Surface Treatment
cadmium and chromate
Screw Surface Treatment Document And Classification
qq-p-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-151-0753 No Name Available 03/30/1967
5305-00-579-5568 No Name Available 01/01/1983

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
MS35191-221 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-984-7374?
The FSCG of the NSN 5305-00-984-7374 is 5305
Does the NSN 5305-00-984-7374 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-984-7374 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 5305-00-984-7374 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-984-7374 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 5305-00-984-7374 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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