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5305-00-820-2541

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-820-2541
(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)

1.251 inches minimum and 1.313 inches maximum thread length, round head style, right-hand thread direction, 1.313 inches minimum and 1.375 inches maximum fastener length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.251 inches minimum and 1.313 inches maximum

Fastener Length

1.313 inches minimum and 1.375 inches maximum

Head Style

round

Head Diameter

0.287 inches minimum and 0.309 inches maximum

Head Height

0.120 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

60000 pounds per square inch

Screw Material

steel

Screw Material Document And Classification

qq-s-634 fed spec single material response or qq-s-637 fed spec single material response or 66 fed std single 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

unc

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 5305-00-820-2541?
The FSCG of the NSN 5305-00-820-2541 is 5305
Does the NSN 5305-00-820-2541 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-820-2541 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 5305-00-820-2541 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-820-2541 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 5305-00-820-2541 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962