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5305-00-211-9226

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-211-9226
(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
05/09/1973 (53 years ago)

right-hand thread direction, flat countersunk head style, 3a thread class, 0.534 inches minimum and 0.601 inches maximum thread length, 0.732 inches minimum and 0.779 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.534 inches minimum and 0.601 inches maximum

Fastener Length

0.732 inches minimum and 0.779 inches maximum

Head Style

flat countersunk

Head Diameter

0.698 inches minimum and 0.762 inches maximum

Grip Diameter

0.3733 inches minimum and 0.3742 inches maximum

Shank Unthreaded Hole Diameter

0.106 inches nominal first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.375 inches

Grip Length

0.178 inches minimum and 0.198 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

220000 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

0.4398 inches minimum and 0.471 inches maximum first hole

Material

steel overall

Material Document And Classification

sps-m-107 fscm 56878 mfr ref single material response overall

Surface Treatment

cadmium overall

Surface Treatment Document And Classification

nas 672 assn std 1st treatment response or mil-c-8837 ty 2 cl 2 mil spec 2nd treatment response overall

Thread Series Designator

unjf

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
106706H6-3 Close Tolerance Screw
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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-211-9226?
The FSCG of the NSN 5305-00-211-9226 is 5305
Does the NSN 5305-00-211-9226 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-211-9226 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 5305-00-211-9226 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-211-9226 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 5305-00-211-9226 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Wed, May 9, 1973