5305-00-276-2178

Find complete technical information, availability, and procurement data for: 5305-00-276-2178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-276-2178

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.250 inches minimum thread length, right-hand thread direction, 2a thread class, oval countersunk head style, 0.416 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches minimum
Fastener Length: 0.416 inches nominal
Head Style: oval countersunk
Head Diameter: 0.276 inches minimum and 0.286 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Countersink Angle: 71.0 degrees minimum and 73.0 degrees maximum
Screw Material: copper alloy 482
Screw Material Document And Classification: qq-b-637,comp 2 fed spec single material response or qq-b-639,comp 2 fed spec single material response
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
SP6497	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-276-2178?

The FSCG of the NSN 5305-00-276-2178 is 5305

Does the NSN 5305-00-276-2178 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-276-2178 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 5305-00-276-2178 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-276-2178 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 5305-00-276-2178 was assigned to the Federal Catalog?

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