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5305-01-153-0229

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-153-0229
(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
05/11/1983 (43 years ago)

0.476 inches minimum and 0.526 inches maximum thread length, flat countersunk head style, right-hand thread direction, 1.174 inches minimum and 1.204 inches maximum fastener length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.476 inches minimum and 0.526 inches maximum

Fastener Length

1.174 inches minimum and 1.204 inches maximum

Head Style

flat countersunk

Head Diameter

0.578 inches minimum and 0.634 inches maximum

Grip Diameter

0.3110 inches minimum and 0.3120 inches maximum

Internal Drive Style

high-torque

Nominal Thread Diameter

0.312 inches

Grip Length

0.678 inches minimum and 0.698 inches maximum

Thread Quantity Per Inch

24

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum overall

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Part Name Assigned By Controlling Agency

navy special project

Material

steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 6150 or steel comp 8735 overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,type 2 class 2 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

80205-nas1580 professional/industrial association standard

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
NAS1580A5H11 Close Tolerance Screw
NAS1580A5H11T Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-153-0229?
The FSCG of the NSN 5305-01-153-0229 is 5305
Does the NSN 5305-01-153-0229 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-153-0229 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 5305-01-153-0229 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-153-0229 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 5305-01-153-0229 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Wed, May 11, 1983