5305-01-678-2054

Find complete technical information, availability, and procurement data for: 5305-01-678-2054
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-678-2054

Item Name Code

16282

Assigment Date

01/25/2019 (7 years ago)

A nonpositive displacement mechanical device without guide vanes and having an axial fan impeller inclosed within a tubular housing. It is designed primarily for duct installation to move air or gas axially over a wide range of volumes at medium pressures.

right-hand thread direction, flat chamfer head style, 3a thread class, 1.125 inches nominal thread length, 2.000 inches nominal 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: 3a
Thread Direction: right-hand
Thread Length: 1.125 inches nominal
Fastener Length: 2.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 160000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams5737 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: unrc
Specification/Standard Data: 80205-nas1352 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
NAS1352N5H32	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-678-2054?

The FSCG of the NSN 5305-01-678-2054 is 5305

Does the NSN 5305-01-678-2054 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-678-2054 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 5305-01-678-2054 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-678-2054 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 5305-01-678-2054 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Fri, Jan 25, 2019