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5305-00-231-4539

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-231-4539
(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
10/14/1970 (56 years ago)

3a thread class, right-hand thread direction, flat countersunk head style, 0.907 inches nominal fastener length, 0.469 inches minimum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.469 inches minimum

Fastener Length

0.907 inches nominal

Head Style

flat countersunk

Head Diameter

0.502 inches nominal

Grip Diameter

0.2483 inches minimum and 0.2492 inches maximum

Single Shear Strength

4650 pounds per square inch

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Grip Length

0.428 inches nominal

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Countersink Angle

100.0 degrees nominal

Material

steel overall

Surface Treatment

cadmium overall

Thread Series Designator

unf

Specification/Standard Data

80205-nas334 professional/industrial association standard

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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.

Source of Supply Code

FGZ

Pseudo Item Name Code

0029294

Related Hardware Products

Part Number Description
NAS334CF7 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-231-4539?
The FSCG of the NSN 5305-00-231-4539 is 5305
Does the NSN 5305-00-231-4539 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-231-4539 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 5305-00-231-4539 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-231-4539 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 5305-00-231-4539 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Wed, Oct 14, 1970