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HT4025L3D16 Close Tolerance Screw

5305-00-522-9607

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Official Item Classification

Name
Close Tolerance Screw
Part Number
HT4025L3D16
(NSN) National Stock Number
5305-00-522-9607
(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
08/23/1974 (52 years ago)

0.381 inches minimum and 0.431 inches maximum thread length, 3a thread class, 1.391 inches minimum and 1.421 inches maximum fastener length, right-hand thread direction, flat countersunk head style

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.381 inches minimum and 0.431 inches maximum

Fastener Length

1.391 inches minimum and 1.421 inches maximum

Head Style

flat countersunk

Head Diameter

0.376 inches minimum and 0.385 inches maximum

Grip Diameter

0.1890 inches minimum and 0.1895 inches maximum

Shank Unthreaded Hole Diameter

0.070 inches minimum and 0.075 inches maximum first hole

Internal Drive Style

high-torque

Nominal Thread Diameter

0.190 inches

Grip Length

0.990 inches minimum and 1.010 inches maximum

Thread Quantity Per Inch

32

Countersink Angle

99.0 degrees minimum and 101.0 degrees maximum

Distance From Head Largest Bearing Surface To Shank Hole Center

1.270 inches minimum and 1.310 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
11905-3DL16 Close Tolerance Screw
HT4025L3D16 Close Tolerance Screw
ST3M454-3DL16 Close Tolerance Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-522-9607?
The FSCG of the NSN 5305-00-522-9607 is 5305
Does the NSN 5305-00-522-9607 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-522-9607 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 5305-00-522-9607 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-522-9607 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 5305-00-522-9607 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Fri, Aug 23, 1974