HT4008-3-3

View detailed technical data, stock status, and sourcing information for: HT4008-3-3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-048-6626

Item Name Code

22846

Assigment Date

10/02/1977 (48 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

3a thread class, 0.306 inches minimum and 0.356 inches maximum thread length, flat countersunk head style, 0.504 inches minimum and 0.534 inches maximum fastener length, right-hand thread direction

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: 0.306 inches minimum and 0.356 inches maximum
Fastener Length: 0.504 inches minimum and 0.534 inches maximum
Head Style: flat countersunk
Head Diameter: 0.338 inches minimum and 0.381 inches maximum
Shoulder Diameter: 0.2021 inches minimum and 0.2026 inches maximum first shoulder
Shoulder Length: 0.178 inches minimum and 0.198 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: internal hex on threaded end 0.0791 in. to 0.0806 in. wide and 0.115 in. to 0.135 in. deep
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 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

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
11913-3-3	Shoulder Screw
HT4008-3-3	Shoulder Screw
ST3M496-3-3	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-048-6626?

The FSCG of the NSN 5305-01-048-6626 is 5305

Does the NSN 5305-01-048-6626 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-048-6626 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 5305-01-048-6626 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-048-6626 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 5305-01-048-6626 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Oct 2, 1977