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5305-01-186-9290

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-186-9290
(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
08/16/1984 (42 years ago)

0.660 inches minimum and 0.690 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.338 inches minimum and 0.388 inches maximum thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.338 inches minimum and 0.388 inches maximum

Fastener Length

0.660 inches minimum and 0.690 inches maximum

Head Style

flat countersunk

Head Diameter

0.339 inches minimum and 0.381 inches maximum

Grip Diameter

0.1890 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

high-torque

Nominal Thread Diameter

0.190 inches

Grip Length

0.302 inches minimum and 0.322 inches maximum

Thread Quantity Per Inch

32

Minimum Tensile Strength

160000 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

0.534 inches minimum and 0.584 inches maximum first hole

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Material

titanium alloy overall

Material Document And Classification

ams 4967 comp 6al-4v assn std single material response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1580 professional/industrial association standard

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

Related Hardware Products

Part Number Description
NAS1580V3H5D Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-186-9290?
The FSCG of the NSN 5305-01-186-9290 is 5305
Does the NSN 5305-01-186-9290 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-186-9290 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 5305-01-186-9290 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-186-9290 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 5305-01-186-9290 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Thu, Aug 16, 1984