5305-00-297-2191

Find complete technical information, availability, and procurement data for: 5305-00-297-2191
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-297-2191

Item Name Code

01852

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 7.406 inches minimum and 7.469 inches maximum fastener length, 0.750 inches minimum thread length, 2a thread class, fillister head style

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: 0.750 inches minimum
Fastener Length: 7.406 inches minimum and 7.469 inches maximum
Head Style: fillister
Head Diameter: 0.375 inches nominal
Head Height: 0.156 inches nominal
First Diameter From Head: 0.245 inches minimum and 0.255 inches maximum
Second Diameter From Head: 0.212 inches minimum and 0.214 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.156 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 6.531 inches minimum and 6.594 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 1
Material: steel 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-353-7199	No Name Available	10/01/1988

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
671487	Externally Relieved Body Screw
854890	Externally Relieved Body Screw
GY20	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-00-297-2191?

The FSCG of the NSN 5305-00-297-2191 is 5305

Does the NSN 5305-00-297-2191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-297-2191 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 5305-00-297-2191 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-297-2191 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 5305-00-297-2191 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963