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5305002210347

View detailed technical data, stock status, and sourcing information for: 5305002210347

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5305002210347
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-221-0347
Item Name Code
16282
Assigment Date
02/12/1969 (57 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.

0.375 inches nominal fastener length, 0.325 inches minimum thread length, 2a thread class, flat chamfer head style, 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
0.325 inches minimum
Fastener Length
0.375 inches nominal
Head Style
flat chamfer
Head Diameter
0.200 inches minimum and 0.205 inches maximum
Head Height
0.122 inches minimum and 0.125 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.125 inches
Width Across Flats
0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch
40
Material
steel comp 4037 overall
Material Document And Classification
qq-s-624 fed spec single material response overall
Surface Treatment
cadmium overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-01-016-3372 No Name Available 09/01/1979
5305-01-023-4765 No Name Available 09/01/1982

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
5305002210347 Socket Head Cap Screw
SMC413900-2 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-221-0347?
The FSCG of the NSN 5305-00-221-0347 is 5305
Does the NSN 5305-00-221-0347 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-221-0347 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 5305-00-221-0347 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-221-0347 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 5305-00-221-0347 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Wed, Feb 12, 1969

Professional Distribution

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