734677-185

View detailed technical data, stock status, and sourcing information for: 734677-185
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-183-7911

Item Name Code

16282

Assigment Date

07/10/1984 (42 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.

2a thread class, flat chamfer head style, 0.750 inches nominal fastener length, 0.560 inches nominal thread length, right-hand thread direction

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: 0.560 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Hole Diameter: 0.062 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Hole Configuration Style: round internal hexagon
Material: steel overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325 cl 3,ty 2 fed spec single treatment response overall
Thread Series Designator: unf

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
734677-185	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-183-7911?

The FSCG of the NSN 5305-01-183-7911 is 5305

Does the NSN 5305-01-183-7911 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-183-7911 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 5305-01-183-7911 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-183-7911 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 5305-01-183-7911 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Jul 10, 1984