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5305-00-045-3182

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-045-3182
(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
01/01/1961 (65 years ago)

0.766 inches minimum and 0.812 inches maximum fastener length, right-hand thread direction, 0.429 inches minimum and 0.578 inches maximum thread length, 3a thread class, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.429 inches minimum and 0.578 inches maximum

Fastener Length

0.766 inches minimum and 0.812 inches maximum

Head Style

flat countersunk

Head Diameter

0.447 inches minimum and 0.507 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Minimum Tensile Strength

125000 pounds per square inch

Hardness Rating

26.0 rockwell c minimum and 32.0 rockwell c maximum

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Screw Material

steel comp 8630 or steel comp 4037

Screw Material Document And Classification

mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec all treatment responses

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-151-6943 No Name Available 02/01/1971
5305-00-282-4801 No Name Available 09/24/1996
5305-00-613-8845 No Name Available 12/01/1982

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
835159-00 Machine Screw
MS24694-S99 Machine Screw
MS24694S99 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-045-3182?
The FSCG of the NSN 5305-00-045-3182 is 5305
Does the NSN 5305-00-045-3182 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-045-3182 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 5305-00-045-3182 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-045-3182 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 5305-00-045-3182 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961