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HT4036-4D14 Close Tolerance Screw

5305-01-018-8926

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Official Item Classification

Name
Close Tolerance Screw
Part Number
HT4036-4D14
(NSN) National Stock Number
5305-01-018-8926
(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
04/01/1976 (50 years ago)

flat countersunk head style, 0.397 inches nominal thread length, right-hand thread direction, 1.654 inches minimum and 1.684 inches maximum fastener length, 3a thread class

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.397 inches nominal

Fastener Length

1.654 inches minimum and 1.684 inches maximum

Head Style

flat countersunk

Head Diameter

0.497 inches minimum and 0.507 inches maximum

Grip Diameter

0.2490 inches minimum and 0.2495 inches maximum

Shank Unthreaded Hole Diameter

0.076 inches minimum and 0.081 inches maximum first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.250 inches

Grip Length

1.257 inches minimum and 1.287 inches maximum

Thread Quantity Per Inch

28

Countersink Angle

100.0 degrees nominal

Distance From Head Largest Bearing Surface To Shank Hole Center

1.543 inches minimum and 1.563 inches maximum first hole

Material

steel corrosion resisting overall

Surface Treatment

passivate overall

Thread Series Designator

unjf

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.

Pseudo Item Name Code

0029294

Related Hardware Products

Part Number Description
HT4036-4D14 Close Tolerance Screw
ST3M680-4D14 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-018-8926?
The FSCG of the NSN 5305-01-018-8926 is 5305
Does the NSN 5305-01-018-8926 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-018-8926 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 5305-01-018-8926 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-018-8926 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 5305-01-018-8926 was assigned to the Federal Catalog?
It was assigned 50 years ago, on Thu, Apr 1, 1976