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5305-01-356-7209

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-356-7209
(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
04/09/1992 (34 years ago)

0.345 inches nominal thread length, right-hand thread direction, flat countersunk head style, 0.642 inches minimum and 0.672 inches maximum fastener length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.345 inches nominal

Fastener Length

0.642 inches minimum and 0.672 inches maximum

Head Style

flat countersunk

Head Diameter

0.328 inches minimum and 0.338 inches maximum

Grip Diameter

0.1885 inches minimum and 0.1895 inches maximum

Internal Drive Style

offset cruciform (torque set)

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

Material

iron alloy 660 fastener

Material Document And Classification

ams5737 assn std 1st material response or ams5731 assn std 2nd material response fastener

Surface Treatment

passivate fastener

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response fastener

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 5305-01-356-7209?
The FSCG of the NSN 5305-01-356-7209 is 5305
Does the NSN 5305-01-356-7209 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-356-7209 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 5305-01-356-7209 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-356-7209 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 5305-01-356-7209 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Thu, Apr 9, 1992