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5305-01-043-7716

Close Tolerance Screw

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Official Item Classification

Name
Close Tolerance Screw
(NSN) National Stock Number
5305-01-043-7716
(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
07/01/1977 (49 years ago)

right-hand thread direction, 0.378 inches minimum and 0.428 inches maximum thread length, flat countersunk head style, 0.638 inches minimum and 0.668 inches maximum fastener length, 0.350 inches minimum and 0.398 inches maximum head diameter

Specs & Compatibility

Thread Direction

right-hand

Thread Length

0.378 inches minimum and 0.428 inches maximum

Fastener Length

0.638 inches minimum and 0.668 inches maximum

Head Style

flat countersunk

Head Diameter

0.350 inches minimum and 0.398 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.086 inches maximum first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Grip Length

0.240 inches minimum and 0.260 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 40.0 rockwell c maximum overall

Countersink Angle

100.0 degrees nominal

Distance From Head Largest Bearing Surface To Shank Hole Center

0.090 inches minimum and 0.110 inches maximum first hole

Surface Finish

32.0 microinches grip

Surface Finish

32.0 microinches threads

Part Name Assigned By Controlling Agency

navy special project

Material

iron alloy 660 overall

Material Document And Classification

ams 5732 assn std single material response overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unjf

Specification/Standard Data

26512-gb510b manufacturers 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

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Part Number Description
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Frequently Asked Questions

What is the FSCG of the NSN 5305-01-043-7716?
The FSCG of the NSN 5305-01-043-7716 is 5305
Does the NSN 5305-01-043-7716 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-043-7716 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 5305-01-043-7716 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-043-7716 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 5305-01-043-7716 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Fri, Jul 1, 1977