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5305-00-781-4163

Find complete technical information, availability, and procurement data for: 5305-00-781-4163

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5305-00-781-4163
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-781-4163
Item Name Code
06657
Assigment Date
01/01/1960 (66 years ago)

right-hand thread direction, 2.031 inches minimum and 2.125 inches maximum fastener length, flat countersunk head style, 1.750 inches minimum thread length, 2a thread class

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
2.031 inches minimum and 2.125 inches maximum
Head Style
flat countersunk
Head Diameter
0.249 inches minimum and 0.279 inches maximum
Internal Drive Style
cross recess type 1
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Minimum Tensile Strength
55000 pounds per square inch
Countersink Angle
80.0 degrees minimum and 82.0 degrees maximum
Screw Material
copper alloy
Screw Material Document And Classification
qq-b-613 fed spec single material response or qq-b-626 fed spec single material response or qq-w-321 fed spec single 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
AN505UB6-34 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-781-4163?
The FSCG of the NSN 5305-00-781-4163 is 5305
Does the NSN 5305-00-781-4163 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-781-4163 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 5305-00-781-4163 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-781-4163 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 5305-00-781-4163 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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