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5305-01-177-9705

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-177-9705
(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
04/30/1984 (42 years ago)

flat countersunk head style, 0.314 inches minimum and 0.364 inches maximum thread length, 3a thread class, right-hand thread direction, 0.574 inches minimum and 0.604 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.314 inches minimum and 0.364 inches maximum

Fastener Length

0.574 inches minimum and 0.604 inches maximum

Head Style

flat countersunk

Head Diameter

0.344 inches minimum and 0.385 inches maximum

Internal Drive Style

cross recess type ii

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416,ty 2,cl 2 fed spec single treatment response

Thread Series Designator

unjf

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 5305-01-177-9705?
The FSCG of the NSN 5305-01-177-9705 is 5305
Does the NSN 5305-01-177-9705 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-177-9705 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 5305-01-177-9705 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-177-9705 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 5305-01-177-9705 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Mon, Apr 30, 1984