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5305-00-957-7818

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-957-7818
(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)

0.438 inches nominal fastener length, flat countersunk head style, 2a thread class, right-hand thread direction, 0.376 inches minimum and 0.438 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.376 inches minimum and 0.438 inches maximum

Fastener Length

0.438 inches nominal

Head Style

flat countersunk

Head Diameter

0.238 inches minimum and 0.279 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.138 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

60000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel

Screw Material Document And Classification

66 fed std single material response

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-062-0600 No Name Available 09/01/1982
5305-00-063-5067 No Name Available 11/20/1968
5305-00-619-6269 No Name Available 12/01/1982
5305-00-803-2128 No Name Available 09/01/1982
5305-00-826-2378 No Name Available 01/18/1967
5305-00-834-0152 No Name Available 01/01/1983
5305-01-035-8075 No Name Available 09/01/1982
5305-01-313-1532 No Name Available 09/01/1992
5305-01-423-4053 No Name Available 04/01/2007

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

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-957-7818?
The FSCG of the NSN 5305-00-957-7818 is 5305
Does the NSN 5305-00-957-7818 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-957-7818 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 5305-00-957-7818 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-957-7818 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 5305-00-957-7818 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963