HT4008-4-2

View detailed technical data, stock status, and sourcing information for: HT4008-4-2
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-117-4197

Item Name Code

22846

Assigment Date

08/14/1981 (45 years ago)

0.507 inches minimum and 0.537 inches maximum fastener length, right-hand thread direction, 0.372 inches minimum and 0.422 inches maximum thread length, 3a thread class, flat countersunk head style

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: 0.372 inches minimum and 0.422 inches maximum
Fastener Length: 0.507 inches minimum and 0.537 inches maximum
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Shoulder Diameter: 0.2646 inches minimum and 0.2651 inches maximum first shoulder
Shoulder Length: 0.025 inches minimum and 0.045 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: internal hex on threaded end 0.0947 in. to 0.0967 in. wide and 0.130 in. to 0.150 in. deep
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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
11913-4-2	Shoulder Screw
HT4008-4-2	Shoulder Screw
ST3M496-4-2	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-117-4197?

The FSCG of the NSN 5305-01-117-4197 is 5305

Does the NSN 5305-01-117-4197 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-117-4197 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 5305-01-117-4197 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-117-4197 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 5305-01-117-4197 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Fri, Aug 14, 1981