5305-00-820-6355

Find complete technical information, availability, and procurement data for: 5305-00-820-6355
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-820-6355

Item Name Code

06660

Assigment Date

01/01/1962 (64 years ago)

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

0.375 inches nominal fastener length, 2a thread class, pan no. 2 head style, right-hand thread direction, 0.282 inches maximum thread length

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: 0.282 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: pan no. 2
Head Diameter: 0.256 inches minimum and 0.273 inches maximum
Head Height: 0.072 inches minimum and 0.082 inches maximum
Washer Quantity: 2
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Secondary Washer Relationship To Primary Washer: not identical
Secondary Washer Style: flat
Primary Washer Outside Diameter: 0.250 inches nominal
Secondary Washer Outside Diameter: 0.258 inches nominal
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.031 inches nominal
Secondary Washer Material Thickness: 0.016 inches nominal
Special Features: lockwasher and washer not rated screw 55000 lbs per sq in.
Material: steel overall
Material Document And Classification: qq-s-634 fed spec 1st material response or 66 fed std 2nd material response or aisi/sae assn std 2nd material response or 66 fed std 3rd material response or aisi/sae assn std 3rd material response or 66 fed std 4th material response or aisi/sae assn std 4th material response or 66 fed std 5th material response or aisi/sae assn std 5th material response or 66 fed std 6th material response or aisi/sae assn std 6th material response or 66 fed std 7th material response or aisi/sae assn std 7th material response or 66 fed std 8th material response or aisi/sae assn std 8th material response or 66 fed std 9th material response or aisi/sae assn std 9th material response or 66 fed std 10th material response or aisi/sae assn std 10th material response or 66 fed std 11th material response or aisi/sae assn std 11th material response or 66 fed std 12th material response or aisi/sae assn std 12th material response or 66 fed std 13th material response or aisi/sae assn std 13th material response or qq-s-626-canc fed spec 14th material response or mil-s-7952 mil spec 15th material response or mil-s-7952 mil spec 16th material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2 class 3 fed spec single treatment response overall
Thread Series Designator: unc
Specification/Standard Data: 80205-nas720 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
NAS720-6-6	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-820-6355?

The FSCG of the NSN 5305-00-820-6355 is 5305

Does the NSN 5305-00-820-6355 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-820-6355 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 5305-00-820-6355 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-820-6355 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 5305-00-820-6355 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962