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5305-00-957-6263

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-957-6263
(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
01/01/1962 (64 years ago)

right-hand thread direction, flat countersunk head style, 2a thread class, 0.157 inches minimum and 0.188 inches maximum fastener length, 0.070 inches minimum and 0.137 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.070 inches minimum and 0.137 inches maximum

Fastener Length

0.157 inches minimum and 0.188 inches maximum

Head Style

flat countersunk

Head Diameter

0.147 inches minimum and 0.172 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.086 inches

Thread Quantity Per Inch

56

Minimum Tensile Strength

60000 pounds per square inch

Countersink Angle

80.0 degrees minimum and 82.0 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-b-416,ty 2,cl 3 fed spec all treatment responses

Thread Series Designator

unc

Nondefinitive Spec/Std Data

3 type and 2c style

Replacement For

Part Number Description
5305-00-019-1648 No Name Available 02/01/1980
5305-00-478-2934 No Name Available 12/08/1971
5305-00-579-5739 No Name Available 01/18/1967
5305-01-058-0537 No Name Available 07/01/1988

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

0006657

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-957-6263?
The FSCG of the NSN 5305-00-957-6263 is 5305
Does the NSN 5305-00-957-6263 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-957-6263 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 5305-00-957-6263 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-957-6263 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 5305-00-957-6263 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962