5305-01-062-4442

Find complete technical information, availability, and procurement data for: 5305-01-062-4442
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-062-4442

Item Name Code

16282

Assigment Date

07/16/1978 (48 years ago)

4.000 inches nominal fastener length, 3a thread class, flat chamfer head style, 1.250 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: 3a
Thread Direction: right-hand
Thread Length: 1.250 inches nominal
Fastener Length: 4.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches nominal
Features Provided: casehardened
Thread Quantity Per Inch: 16
Hardness Rating: 37.0 rockwell c minimum and 45.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Special Features: critical item hydrogen embrittlement relief required
Material: steel overall
Material Document And Classification: fed std 66 fed std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,type 2,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
3176207-C-170	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-062-4442?

The FSCG of the NSN 5305-01-062-4442 is 5305

Does the NSN 5305-01-062-4442 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-062-4442 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 5305-01-062-4442 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-062-4442 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 5305-01-062-4442 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Sun, Jul 16, 1978