HT4068-5-14

View detailed technical data, stock status, and sourcing information for: HT4068-5-14
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-286-7995

Item Name Code

29294

Assigment Date

10/08/1988 (37 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.

1.391 inches minimum and 1.421 inches maximum fastener length, right-hand thread direction, 3a thread class, flat countersunk head style, 0.506 inches minimum and 0.556 inches maximum thread length

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: 0.506 inches minimum and 0.556 inches maximum
Fastener Length: 1.391 inches minimum and 1.421 inches maximum
Head Style: flat countersunk
Head Diameter: 0.429 inches minimum and 0.477 inches maximum
Grip Diameter: 0.311 inches minimum and 0.312 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.865 inches minimum and 0.885 inches maximum
Features Provided: cetyl alcohol lubricant
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Color: white top of head
Material: steel comp xm-13 overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: mil-c-83488,type 2 class 3 mil spec single treatment response overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-114-1268	No Name Available	04/01/2001

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
11883-5-14/11883-5L14	Close Tolerance Screw
3M926-5-14	Close Tolerance Screw
3M926-5L14	Close Tolerance Screw
HT4068-5-14	Close Tolerance Screw
HT4068-5-14A	Close Tolerance Screw
HT4086-5-14A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-286-7995?

The FSCG of the NSN 5305-01-286-7995 is 5305

Does the NSN 5305-01-286-7995 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-286-7995 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 5305-01-286-7995 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-286-7995 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 5305-01-286-7995 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Oct 8, 1988