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5305-00-005-0631

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-00-005-0631
(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
06/19/1972 (54 years ago)

Close Tolerance Screw is made of steel with a cadmium and chromate surface treatment.

Specs & Compatibility

Thread Series Designator

Unjf

Specification/standard Data

80205-nas1509 professional/industrial association standard

Surface Treatment Document and Classification

Qq-p-416,ty 2,cl 3 fed spec single treatment response

Thread Class

3a

Thread Direction

Right-hand

Surface Treatment

Cadmium and chromate

Thread Length

0.486 inches to 0.536 inches

Thread Diameter

0.562 inches

Head Style

Flat countersunk

Fastener Length

1.871 inches to 1.901 inches

Internal Drive Style

High-torque

Grip Diameter

0.5605 inches to 0.5615 inches

Head Diameter

1.071 inches to 1.141 inches

Grip Length

1.365 inches to 1.385 inches

Thread Quantity Per Inch

18

Minimum Tensile Strength

160000 pounds per square inch

Part Name Assigned By Controlling Agency

Navy special project

Surface Finish

32 microinches threads

Surface Finish

32 microinches grip

Countersink Angle

99 to 101 degrees

Hardness Rating

36 to 40 rockwell c maximum

Material

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

Material Document and Classification

Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response

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
NAS1509-22 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-005-0631?
The FSCG of the NSN 5305-00-005-0631 is 5305
Does NSN 5305-00-005-0631 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 5305-00-005-0631 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-005-0631 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 5305-00-005-0631 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Mon, Jun 19, 1972