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5305-00-421-9911

Find complete technical information, availability, and procurement data for: 5305-00-421-9911

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5305-00-421-9911
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-421-9911
Item Name Code
06657
Assigment Date
12/23/1970 (55 years ago)

2a thread class, flat countersunk head style, 0.719 inches minimum and 0.750 inches maximum fastener length, 0.147 inches minimum and 0.172 inches maximum head diameter, 0.632 inches minimum and 0.699 inches maximum 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 Length
0.632 inches minimum and 0.699 inches maximum
Fastener Length
0.719 inches minimum and 0.750 inches maximum
Head Style
flat countersunk
Head Diameter
0.147 inches minimum and 0.172 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.086 inches
Thread Quantity Per Inch
56
Minimum Tensile Strength
80000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
steel corrosion resisting or steel
Screw Material Document And Classification
qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
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
904386-9 Machine Screw
MS51959-9B Machine Screw
NASM51959-9B Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-9911?
The FSCG of the NSN 5305-00-421-9911 is 5305
Does the NSN 5305-00-421-9911 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-421-9911 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 5305-00-421-9911 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-421-9911 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 5305-00-421-9911 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 23, 1970

Professional Distribution

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