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5305-00-005-5918

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-005-5918
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
29294
(FIIG) Federal Item Identification Guide
A003B0
Date
06/16/1972 (54 years ago)

steel material, thread length: 0.286-0.363", Grip Diameter: 0.248-0.249"

Specs & Compatibility

Surface Treatment

Cadmium and chromate

Surface Treatment Document and Classification

Qq-p-416,ty 2,cl 3 fed spec single treatment response

Thread Class

3a

Thread Direction

Right-hand

Thread Length

0.286 inches minimum and 0.363 inches maximum

Head Height

0.133 inches minimum and 0.15 inches maximum

Fastener Length

1.801 inches minimum and 1.848 inches maximum

Head Style

Pan

Head Diameter

0.464 inches minimum and 0.488 inches maximum

Grip Diameter

0.248 inches minimum and 0.249 inches maximum

Internal Drive Style

Offset cruciform (torque set)

Shank Unthreaded Hole Diameter

0.076 inches first hole

Nominal Thread Diameter

0.25 inches

Distance From Head Largest Surface To Shank Hole Center

1.675 inches minimum first hole and 1.742 inches maximum first hole

Thread Quantity Per Inch

28

Grip Length

1.485 inches minimum and 1.515 inches maximum

Minimum Tensile Strength

180000 pounds per square inch

Surface Finish

32 microinches grip

Material

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

Thread Series Designator

Unjf

Specification/standard Data

76823-51b222 manufacturers standard

Material Document and Classification

Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0029294

Related Hardware Products

Part Number Description
51B222-24H Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-005-5918?
The FSCG of the NSN 5305-00-005-5918 is 5305
Does the NSN 5305-00-005-5918 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-005-5918 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 5305-00-005-5918 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-005-5918 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 5305-00-005-5918 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jun 16, 1972