5305-00-144-8856

Find complete technical information, availability, and procurement data for: 5305-00-144-8856
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-144-8856

Item Name Code

16282

Assigment Date

01/17/1973 (53 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, 2a thread class, 0.244 inches minimum and 0.291 inches maximum thread length, 0.344 inches minimum and 0.375 inches maximum fastener 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: 0.244 inches minimum and 0.291 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 threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 55000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Material: steel overall
Material Document And Classification: qq-s-637 fed spec single material response or 66 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-601-7487	No Name Available	12/01/1982

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
LP505-8R6	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-144-8856?

The FSCG of the NSN 5305-00-144-8856 is 5305

Does the NSN 5305-00-144-8856 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-144-8856 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 5305-00-144-8856 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-144-8856 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 5305-00-144-8856 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Jan 17, 1973