LK21093-0832

View detailed technical data, stock status, and sourcing information for: LK21093-0832
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-023-9042

Item Name Code

06657

Assigment Date

06/29/1976 (50 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.

flat countersunk head style, right-hand thread direction, 0.344 inches minimum and 0.375 inches maximum fastener length, 2a thread class, 0.210 inches minimum and 0.313 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: 2a
Thread Direction: right-hand
Thread Length: 0.210 inches minimum and 0.313 inches maximum
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: flat countersunk
Head Diameter: 0.300 inches minimum and 0.332 inches maximum
Locking Feature: pellet or strip or patch
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 60000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: steel
Screw Material Document And Classification: qq-s-637 fed spec single material response or 66 fed std single material response
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 3c style

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
1092683P32	Machine Screw
LK21093-0832	Machine Screw
MS21093-0832	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-023-9042?

The FSCG of the NSN 5305-01-023-9042 is 5305

Does the NSN 5305-01-023-9042 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-023-9042 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 5305-01-023-9042 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-023-9042 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 5305-01-023-9042 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Tue, Jun 29, 1976