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5305-01-385-9817

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-385-9817
(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
01/25/1994 (32 years ago)

0.425 inches nominal thread length, 0.722 inches minimum and 0.752 inches maximum fastener length, right-hand thread direction, 3a thread class, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.425 inches nominal

Fastener Length

0.722 inches minimum and 0.752 inches maximum

Head Style

flat countersunk

Head Diameter

0.449 inches minimum and 0.507 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.250 inches

Grip Length

0.302 inches minimum and 0.322 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish

32.0 microinches overall

Material

titanium alloy uns r56400 overall

Material Document And Classification

ams4928 assn std single material response or ams4967 assn std single material response overall

Surface Treatment

aluminum 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 5305-01-385-9817?
The FSCG of the NSN 5305-01-385-9817 is 5305
Does the NSN 5305-01-385-9817 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-01-385-9817 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 5305-01-385-9817 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-385-9817 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 5305-01-385-9817 was assigned to the Federal Catalog?
It was assigned 32 years ago, on Tue, Jan 25, 1994