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5305-00-059-3086

Machine Screw

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Helical Gear
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Special Spring
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Shouldered Stud

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-059-3086
(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
01/01/1960 (66 years ago)

1.031 inches nominal fastener length, 0.531 inches nominal thread length, right-hand thread direction, flat countersunk head style, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.531 inches nominal

Fastener Length

1.031 inches nominal

Head Style

flat countersunk

Head Diameter

0.447 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

125000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 8740 or steel comp 8630

Screw Material Document And Classification

mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd 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

unf

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
2L6011-1 Machine Screw
5305PL0144223 Machine Screw
AN509-416-16 Machine Screw
MS24694-S103 Machine Screw
MS24694S103 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-3086?
The FSCG of the NSN 5305-00-059-3086 is 5305
Does the NSN 5305-00-059-3086 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-3086 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 5305-00-059-3086 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-059-3086 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 5305-00-059-3086 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960