NK56SEC6-H4

View detailed technical data, stock status, and sourcing information for: NK56SEC6-H4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-969-4348

Item Name Code

06672

Assigment Date

06/15/1966 (60 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

0.250 inches nominal fastener length, right-hand thread direction, headless (setscrew) head style, 3a thread class, 0.250 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: 0.250 inches maximum
Fastener Length: 0.250 inches nominal
Head Style: headless (setscrew)
Locking Feature: patch or pellet or strip threads
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.063 inches minimum and 0.064 inches maximum
Thread Quantity Per Inch: 32
Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 316 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc

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
MS18066-11	Setscrew
NK56SEC6-H4	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-969-4348?

The FSCG of the NSN 5305-00-969-4348 is 5305

Does the NSN 5305-00-969-4348 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-969-4348 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 5305-00-969-4348 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-969-4348 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 5305-00-969-4348 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 15, 1966