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5305-00-040-9449

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-040-9449
(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
11/13/1972 (53 years ago)

right-hand thread direction, flat countersunk head style, 2.263 inches minimum and 2.310 inches maximum fastener length, 0.441 inches minimum and 0.508 inches maximum thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.441 inches minimum and 0.508 inches maximum

Fastener Length

2.263 inches minimum and 2.310 inches maximum

Head Style

flat countersunk

Head Diameter

0.625 inches minimum and 0.635 inches maximum

Grip Diameter

0.3115 inches minimum and 0.3120 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.081 inches maximum first hole

Internal Drive Style

high-torque

End Item Identification

aircraft,phantom f-4

Nominal Thread Diameter

0.312 inches

Grip Length

1.802 inches minimum and 1.822 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

125000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

2.186 inches maximum first hole

Material

steel corrosion resisting overall

Thread Series Designator

unjf

Specification/Standard Data

08524-b-19019 manufacturers standard

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
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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-040-9449?
The FSCG of the NSN 5305-00-040-9449 is 5305
Does the NSN 5305-00-040-9449 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-040-9449 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 5305-00-040-9449 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-040-9449 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 5305-00-040-9449 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Mon, Nov 13, 1972