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5305-01-522-9506

Assembled Washer Screw

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Official Item Classification

Name
Assembled Washer Screw
(NSN) National Stock Number
5305-01-522-9506
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06660
(FIIG) Federal Item Identification Guide
A003B0
Date
08/14/2004 (22 years ago)

right-hand thread direction, 0.256 inches minimum and 0.294 inches maximum head diameter, 3a thread class, pan head style, 0.625 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Fastener Length

0.625 inches nominal

Head Style

pan

Head Diameter

0.256 inches minimum and 0.294 inches maximum

Head Height

0.087 inches minimum and 0.097 inches maximum

Washer Quantity

2

Internal Drive Style

cross recess type 1

End Item Identification

console

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

0.302 inches minimum and 0.322 inches maximum

Primary Washer Style

split helical ring

Primary Washer Material Thickness

0.031 inches nominal

Secondary Washer Material Thickness

0.025 inches minimum and 0.035 inches maximum

Color

black overall

Material

steel corrosion resisting overall

Surface Treatment

oxide overall

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0006660

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-522-9506?
The FSCG of the NSN 5305-01-522-9506 is 5305
Does the NSN 5305-01-522-9506 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-522-9506 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 5305-01-522-9506 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-522-9506 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 5305-01-522-9506 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Sat, Aug 14, 2004