5305-00-688-1772

Find complete technical information, availability, and procurement data for: 5305-00-688-1772
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-688-1772

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

1.980 inches minimum and 2.040 inches maximum fastener length, 0.785 inches minimum thread length, 3a thread class, flat chamfer head style, 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: 3a
Thread Direction: right-hand
Thread Length: 0.785 inches minimum
Fastener Length: 1.980 inches minimum and 2.040 inches maximum
Head Style: flat chamfer
Head Diameter: 0.306 inches minimum and 0.313 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Hole Diameter: 0.037 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches minimum and 0.158 inches maximum
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Hardness Rating: 37.0 rockwell c minimum and 42.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Material: steel comp 302 or steel comp 303 or steel comp 304 overall
Material Document And Classification: aisi assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unf
Specification/Standard Data: 80205-nas608 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
NAS608C3H32	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-688-1772?

The FSCG of the NSN 5305-00-688-1772 is 5305

Does the NSN 5305-00-688-1772 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-688-1772 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 5305-00-688-1772 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-688-1772 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 5305-00-688-1772 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963