5305-00-115-1377

Find complete technical information, availability, and procurement data for: 5305-00-115-1377
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-115-1377

Item Name Code

06660

Assigment Date

10/09/1968 (57 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

2a thread class, pan head style, 0.343 inches minimum and 0.375 inches maximum fastener length, 0.250 inches minimum thread length, 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: 0.250 inches minimum
Fastener Length: 0.343 inches minimum and 0.375 inches maximum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.250 inches nominal
Secondary Washer Outside Diameter: 0.253 inches minimum and 0.263 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.031 inches nominal
Secondary Washer Material Thickness: 0.013 inches minimum and 0.019 inches maximum
Material: steel comp 1010 or steel or steel comp 1025 overall
Material Document And Classification: qq-s-634 fed spec 1st material response or qq-s-698 1/2 hard fed spec 2nd material response or mil-s-7952 mil spec 3rd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses 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
NAS1301-6-6	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-115-1377?

The FSCG of the NSN 5305-00-115-1377 is 5305

Does the NSN 5305-00-115-1377 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-115-1377 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 5305-00-115-1377 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-115-1377 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 5305-00-115-1377 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, Oct 9, 1968