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5305-00-005-8299

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-005-8299
(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
06/11/1972 (54 years ago)

Grip Length: 0.923-0.953", Minimum Tensile Strength: 180000 pounds per square inch

Specs & Compatibility

Thread Series Designator

Unf

Surface Treatment Document and Classification

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

Surface Treatment

Cadmium and chromate

Thread Direction

Right-hand

Thread Length

0.375 inches minimum

Fastener Length

1.298 inches minimum and 1.345 inches maximum

Head Diameter

0.568 inches minimum and 0.593 inches maximum

Head Height

0.162 inches minimum and 0.183 inches maximum

Head Style

Pan

Grip Diameter

0.311 inches minimum and 0.312 inches maximum

Internal Drive Style

Offset cruciform (torque set)

Grip Length

0.923 inches minimum and 0.953 inches maximum

Nominal Thread Diameter

0.312 inches

Material

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

Surface Finish

32.0 microinches grip

Minimum Tensile Strength

180000 pounds per square inch

Thread Quantity Per Inch

24

Thread Class

3a

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
51B223-15 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-005-8299?
The FSCG of the NSN 5305-00-005-8299 is 5305
Does the NSN 5305-00-005-8299 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-005-8299 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 5305-00-005-8299 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-005-8299 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 5305-00-005-8299 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Sun, Jun 11, 1972