5305-01-191-6270

Find complete technical information, availability, and procurement data for: 5305-01-191-6270
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-191-6270

Item Name Code

06657

Assigment Date

10/11/1984 (41 years ago)

right-hand thread direction, flat countersunk undercut head style, 0.897 inches minimum and 0.927 inches maximum fastener length, 3a thread class, 0.312 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: 3a
Thread Direction: right-hand
Thread Length: 0.312 inches nominal
Fastener Length: 0.897 inches minimum and 0.927 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.531 inches nominal
Head Height: 0.057 inches minimum and 0.059 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel
Screw Surface Treatment: chromate and cadmium
Screw Surface Treatment Document And Classification: qq-p-416 type 2 class 2 fed spec single treatment response
Special Features: concentric hole in head 0.1596 in. min,0.1675 in. max dia; 0.190 in. thd dia,32 threads per in. jf,class 3b; countersunk 90 degrees,0.156 in. min 0.187 in max dia; 0.435 in. min,0.600 in. max length
Thread Series Designator: unjf

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
123WM10111-617	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-191-6270?

The FSCG of the NSN 5305-01-191-6270 is 5305

Does the NSN 5305-01-191-6270 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-191-6270 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 5305-01-191-6270 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-191-6270 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 5305-01-191-6270 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Thu, Oct 11, 1984