BB22011

View detailed technical data, stock status, and sourcing information for: BB22011

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BB22011
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-579-5811
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)

0.500 inches nominal fastener length, 0.389 inches minimum and 0.500 inches maximum thread length, 2a thread class, right-hand thread direction, fillister head style

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
0.389 inches minimum and 0.500 inches maximum
Fastener Length
0.500 inches nominal
Head Style
fillister
Head Diameter
0.490 inches minimum and 0.518 inches maximum
Head Height
0.194 inches minimum and 0.211 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.312 inches
Thread Quantity Per Inch
18
Minimum Tensile Strength
60000 pounds per square inch
Screw Material
steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1022 or steel comp 1524 or steel comp 1025 or steel comp 1527 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1038 or steel comp 1040 or steel comp 1541 or steel comp 1108 or steel comp 1109 or steel comp 1110
Thread Series Designator
unc
Nondefinitive Spec/Std Data
1 type and 4s style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-275-3925 No Name Available 01/01/1960

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
117289 Machine Screw
231096 Machine Screw
56X24 Machine Screw
BB22011 Machine Screw
X8-509 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-579-5811?
The FSCG of the NSN 5305-00-579-5811 is 5305
Does the NSN 5305-00-579-5811 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-579-5811 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 5305-00-579-5811 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-579-5811 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 5305-00-579-5811 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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