5305-00-139-6855

Find complete technical information, availability, and procurement data for: 5305-00-139-6855
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-139-6855

Item Name Code

16282

Assigment Date

09/01/1971 (54 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.

0.076 inches minimum and 0.118 inches maximum thread length, right-hand thread direction, 0.163 inches minimum and 0.194 inches maximum fastener length, flat countersunk head style, 2a thread class

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: 0.076 inches minimum and 0.118 inches maximum
Fastener Length: 0.163 inches minimum and 0.194 inches maximum
Head Style: flat countersunk
Head Diameter: 0.150 inches minimum and 0.172 inches maximum
Locking Feature: strip threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Material: steel comp 430 overall
Material Document And Classification: qq-s-763 fed spec 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: 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
21662-3	Socket Head Cap Screw
5305PL0145390	Socket Head Cap Screw
LP505C2R3	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-139-6855?

The FSCG of the NSN 5305-00-139-6855 is 5305

Does the NSN 5305-00-139-6855 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-139-6855 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 5305-00-139-6855 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-139-6855 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 5305-00-139-6855 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Wed, Sep 1, 1971