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AN505-8-40

View detailed technical data, stock status, and sourcing information for: AN505-8-40

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AN505-8-40
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-421-9144
Item Name Code
06657
Assigment Date
12/23/1970 (55 years ago)

An item with a cylindrical shaped body having external threads other than pipe or hose series. It is desinged to mate into a preformed threaded component for the purpose of plugging a hole during equipment operation. It may have a head and/or internal drive and may contain a bleeder hole. See also plug, protective, dust and moisture seal and cap-plug, protective, dust and moisture seal. Excludes:plug, tube fitting, threaded.

right-hand thread direction, 2a thread class, 2.406 inches minimum and 2.500 inches maximum fastener length, 1.750 inches minimum thread length, flat countersunk 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
1.750 inches minimum
Fastener Length
2.406 inches minimum and 2.500 inches maximum
Head Style
flat countersunk
Head Diameter
0.300 inches minimum and 0.332 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.164 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Countersink Angle
82.0 degrees nominal
Screw Material
steel comp 1010
Screw Material Document And Classification
qq-s-671 fed spec single 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
unc
Nondefinitive Spec/Std Data
1 type and 2s style

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
AN505-8-40 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-421-9144?
The FSCG of the NSN 5305-00-421-9144 is 5305
Does the NSN 5305-00-421-9144 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-421-9144 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 5305-00-421-9144 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-421-9144 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 5305-00-421-9144 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Dec 23, 1970

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