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5305-01-037-5452

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-037-5452
(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
03/20/1977 (49 years ago)

right-hand thread direction, 2a thread class, flat countersunk head style, 0.188 inches nominal thread length, 0.217 inches minimum and 0.224 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.188 inches nominal

Fastener Length

0.217 inches minimum and 0.224 inches maximum

Head Style

flat countersunk

Head Diameter

0.156 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

Countersink Angle

100.0 degrees nominal

Screw Material

steel comp 321 or steel comp 347

Screw Material Document And Classification

qq-s-763,cl 8,ty a fed spec all material responses

Test Data Document

98230-0n205100 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

unc

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
N

The item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).

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
0N205100 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-037-5452?
The FSCG of the NSN 5305-01-037-5452 is 5305
Does the NSN 5305-01-037-5452 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-037-5452 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 5305-01-037-5452 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-037-5452 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 5305-01-037-5452 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Mar 20, 1977