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HT4024L-3D7

View detailed technical data, stock status, and sourcing information for: HT4024L-3D7

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HT4024L-3D7
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-266-5359
Item Name Code
29294
Assigment Date
10/27/1987 (38 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

0.828 inches minimum and 0.859 inches maximum fastener length, flat countersunk head style, 0.391 inches minimum and 0.422 inches maximum thread length, right-hand thread direction, 3a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.391 inches minimum and 0.422 inches maximum
Fastener Length
0.828 inches minimum and 0.859 inches maximum
Head Style
flat countersunk
Head Diameter
0.297 inches minimum and 0.302 inches maximum
Grip Diameter
0.189 inches minimum and 0.190 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
0.428 inches minimum and 0.448 inches maximum
Features Provided
finished head
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
0.717 inches minimum and 0.738 inches maximum first hole
Material
steel comp xm-13 overall
Material Document And Classification
ams 5629 uns s13800 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
76301-st3-455 manufacturers standard and 73197-ht4024l manufacturers standard

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
11907-3D7-1 Close Tolerance Screw
11907-3DL7-1 Close Tolerance Screw
HT4024L-3D7 Close Tolerance Screw
HT4024L-3D7-1 Close Tolerance Screw
HT4024L3D7-1 Close Tolerance Screw
ST3M455-3D7-1 Close Tolerance Screw
ST3M455-3DL7-1 Close Tolerance Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-266-5359?
The FSCG of the NSN 5305-01-266-5359 is 5305
Does the NSN 5305-01-266-5359 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-266-5359 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 5305-01-266-5359 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-266-5359 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 5305-01-266-5359 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Tue, Oct 27, 1987

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