NAS1221-08-2T

View detailed technical data, stock status, and sourcing information for: NAS1221-08-2T
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-395-4195

Item Name Code

06657

Assigment Date

04/12/1974 (52 years ago)

0.314 inches minimum and 0.364 inches maximum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 0.449 inches minimum and 0.479 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.314 inches minimum and 0.364 inches maximum
Fastener Length: 0.449 inches minimum and 0.479 inches maximum
Head Style: flat countersunk
Head Diameter: 0.294 inches minimum and 0.332 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Screw Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1221 professional/industrial association standard

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-024-4757	No Name Available	08/01/1987

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
10125265	Machine Screw
NAS1221-08-2	Machine Screw
NAS1221-08-2T	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-395-4195?

The FSCG of the NSN 5305-00-395-4195 is 5305

Does the NSN 5305-00-395-4195 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-395-4195 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 5305-00-395-4195 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-395-4195 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 5305-00-395-4195 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Fri, Apr 12, 1974