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5305-01-284-7161

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-284-7161
(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
08/30/1988 (38 years ago)

3a thread class, right-hand thread direction, flat countersunk head style, 0.501 inches nominal thread length, 2.376 inches nominal fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.501 inches nominal

Fastener Length

2.376 inches nominal

Head Style

flat countersunk

Head Diameter

0.429 inches minimum and 0.479 inches maximum

Grip Diameter

0.311 inches minimum and 0.312 inches maximum

Internal Drive Style

offset cruciform (torque set)

Nominal Thread Diameter

0.312 inches

Grip Length

1.875 inches nominal

Thread Quantity Per Inch

24

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Material

steel comp h11 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 5305-01-284-7161?
The FSCG of the NSN 5305-01-284-7161 is 5305
Does the NSN 5305-01-284-7161 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-284-7161 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 5305-01-284-7161 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-284-7161 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 5305-01-284-7161 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Tue, Aug 30, 1988