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5305-00-042-4506

Assembled Washer Screw

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Official Item Classification

Name
Assembled Washer Screw
(NSN) National Stock Number
5305-00-042-4506
(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
01/01/1963 (63 years ago)

right-hand thread direction, 2a thread class, round head style, 0.500 inches maximum thread length, 0.500 inches nominal fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.500 inches maximum

Fastener Length

0.500 inches nominal

Head Style

round

Head Diameter

0.334 inches minimum and 0.359 inches maximum

Head Height

0.123 inches minimum and 0.137 inches maximum

Washer Quantity

1

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Hardness Rating

40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer

Primary Washer Outside Diameter

0.372 inches minimum and 0.383 inches maximum

Primary Washer Style

flat internal teeth

Primary Washer Material Thickness

0.022 inches nominal

Material

steel or steel comp 1010 or steel comp 1050 or steel comp 1566 overall

Surface Treatment

cadmium or zinc overall

Surface Treatment Document And Classification

qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-042-4537 No Name Available 08/01/1979

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

Related Hardware Products

Part Number Description
2210-1032-08-13 Assembled Washer Screw
5305000424506 Assembled Washer Screw
SEM10-32RH1-2 Assembled Washer Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-042-4506?
The FSCG of the NSN 5305-00-042-4506 is 5305
Does the NSN 5305-00-042-4506 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-042-4506 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 5305-00-042-4506 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-042-4506 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 5305-00-042-4506 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963