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5305-01-197-3508

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-197-3508
(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
12/20/1984 (41 years ago)

0.338 inches nominal thread length, oval countersunk head style, 3a thread class, right-hand thread direction, 0.948 inches minimum and 0.978 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.338 inches nominal

Fastener Length

0.948 inches minimum and 0.978 inches maximum

Head Style

oval countersunk

Head Diameter

0.2966 inches minimum and 0.3016 inches maximum

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Shank Unthreaded Hole Diameter

0.070 inches minimum and 0.080 inches maximum first hole

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.190 inches

Grip Length

0.625 inches nominal

Thread Quantity Per Inch

32

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

0.822 inches minimum and 0.862 inches maximum first hole

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Special Features

dry film lubricant,internal drive ribbed

Material

titanium alloy overall

Material Document And Classification

ams4967 assn std single material response overall

Thread Series Designator

unjf

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

0029294

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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-197-3508?
The FSCG of the NSN 5305-01-197-3508 is 5305
Does the NSN 5305-01-197-3508 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-197-3508 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 5305-01-197-3508 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-197-3508 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 5305-01-197-3508 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Thu, Dec 20, 1984