5305-01-187-2681

Find complete technical information, availability, and procurement data for: 5305-01-187-2681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-187-2681

Item Name Code

01852

Assigment Date

08/21/1984 (42 years ago)

right-hand thread direction, 2a thread class, pan no. 2 head style, 1.250 inches nominal fastener length, 0.500 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.500 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: pan no. 2
Head Diameter: 0.810 inches nominal
Head Height: 0.380 inches nominal
First Diameter From Head: 0.190 inches nominal
Second Diameter From Head: 0.250 inches nominal
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.750 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.250 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Externally Relieved Body Diameter Quantity: 2
Special Features: head has 10 to 15 ribs per inch configuration is optional
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,class 3 fed spec single treatment response overall
Thread Series Designator: unc

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
12324058	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-187-2681?

The FSCG of the NSN 5305-01-187-2681 is 5305

Does the NSN 5305-01-187-2681 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-187-2681 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 5305-01-187-2681 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-187-2681 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 5305-01-187-2681 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Aug 21, 1984