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5305-01-232-6721

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-232-6721
(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
05/19/1986 (40 years ago)

right-hand thread direction, 3a thread class, 4.785 inches minimum and 4.875 inches maximum fastener length, 1.750 inches minimum thread length, pan no. 2 head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.750 inches minimum

Fastener Length

4.785 inches minimum and 4.875 inches maximum

Head Style

pan no. 2

Head Diameter

0.357 inches minimum and 0.373 inches maximum

Head Height

0.122 inches minimum and 0.133 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum

Screw Material

steel comp 4140 or steel comp e4340 or steel comp 8740

Screw Material Document And Classification

mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response

Screw Surface Treatment

cadmium

Screw Surface Treatment Document And Classification

qq-p-416 type 1 class 2 fed spec single treatment response

Thread Series Designator

unjf

Specification/Standard Data

80205-nas603 professional/industrial association standard

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
NAS603-78 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-232-6721?
The FSCG of the NSN 5305-01-232-6721 is 5305
Does the NSN 5305-01-232-6721 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-232-6721 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 5305-01-232-6721 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-232-6721 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 5305-01-232-6721 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Mon, May 19, 1986