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5305-01-520-9391

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-520-9391
(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
06/03/2004 (22 years ago)

0.464 inches nominal fastener length, right-hand thread direction, flat countersunk head style, 0.260 inches nominal thread length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.260 inches nominal

Fastener Length

0.464 inches nominal

Head Style

flat countersunk

Head Diameter

0.380 inches nominal

Spline Major Diameter

0.155 inches nominal

Grip Diameter

0.189 inches nominal

Internal Drive Style

torx

End Item Identification

mv-22 aircraft (v-22 lrip 1 e-nsn isil)

Nominal Thread Diameter

0.190 inches

Grip Length

0.188 inches nominal

Thread Quantity Per Inch

32

Minimum Tensile Strength

3180 pounds per square inch

Countersink Angle

100.0 degrees nominal

Part Name Assigned By Controlling Agency

screw, shear, flat 100 deg head, close tolerance, short thread, six lobe recess, 95 ksi fsu

Special Features

this screw is intended for applications which require the six lobe recess; has undrilled shank

Material

iron alloy 660 overall

Material Document And Classification

ams5731 fed spec 1st material response or ams5732 fed spec 2nd material response or ams5737 fed spec 3rd material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

ams-qq-p-35 fed spec single treatment 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

Related Hardware Products

Part Number Description
120-265E3-3 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-520-9391?
The FSCG of the NSN 5305-01-520-9391 is 5305
Does the NSN 5305-01-520-9391 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-520-9391 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 5305-01-520-9391 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-520-9391 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 5305-01-520-9391 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Thu, Jun 3, 2004