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AN507-428-8 Machine Screw

5305-00-207-1821

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Official Item Classification

Name
Machine Screw
Part Number
AN507-428-8
(NSN) National Stock Number
5305-00-207-1821
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
01/01/1963 (63 years ago)

right-hand thread direction, 0.500 inches nominal fastener length, 2a thread class, 0.429 inches minimum and 0.500 inches maximum thread length, flat countersunk head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.429 inches minimum and 0.500 inches maximum

Fastener Length

0.500 inches nominal

Head Style

flat countersunk

Head Diameter

0.462 inches minimum and 0.507 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

55000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel or steel comp 1010

Screw Material Document And Classification

qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response

Screw Surface Treatment

cadmium

Screw Surface Treatment Document And Classification

qq-p-416,ty 1,cl 3 fed spec single treatment response

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-510-6534 No Name Available 08/02/1967
5305-00-515-7447 No Name Available 01/01/1960

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

0006657

Related Hardware Products

Part Number Description
AN507-428-8 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-207-1821?
The FSCG of the NSN 5305-00-207-1821 is 5305
Does the NSN 5305-00-207-1821 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-207-1821 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 5305-00-207-1821 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-207-1821 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 5305-00-207-1821 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963