5305-01-078-4456

Find complete technical information, availability, and procurement data for: 5305-01-078-4456
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-078-4456

Item Name Code

16282

Assigment Date

06/13/1979 (47 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

3a thread class, 1.688 inches minimum and 1.750 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 1.445 inches minimum and 1.590 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: 1.445 inches minimum and 1.590 inches maximum
Fastener Length: 1.688 inches minimum and 1.750 inches maximum
Head Style: flat countersunk
Head Diameter: 0.694 inches minimum and 0.762 inches maximum
Locking Feature: patch threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Part Name Assigned By Controlling Agency: navy special project
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std 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: unjf
Specification/Standard Data: 80205-nas1189 professional/industrial association standard

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
NAS1189E6P28B	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-078-4456?

The FSCG of the NSN 5305-01-078-4456 is 5305

Does the NSN 5305-01-078-4456 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-078-4456 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 5305-01-078-4456 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-078-4456 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 5305-01-078-4456 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Wed, Jun 13, 1979