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5305-00-471-7990

Find complete technical information, availability, and procurement data for: 5305-00-471-7990

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5305-00-471-7990
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-471-7990
Item Name Code
06657
Assigment Date
05/08/1970 (56 years ago)

0.790 inches minimum and 0.810 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.420 inches minimum and 0.430 inches maximum 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
0.420 inches minimum and 0.430 inches maximum
Fastener Length
0.790 inches minimum and 0.810 inches maximum
Head Style
flat countersunk
Head Diameter
0.810 inches minimum and 0.820 inches maximum
Internal Drive Style
slot
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
20
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Screw Material
steel
Screw Material Document And Classification
s948 fscm k0289 mfr ref single material response
Special Features
hole drill throughlg of screw 0.328 in. dia
Thread Series Designator
unf

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
5305-99-603 Machine Screw
F273799 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-471-7990?
The FSCG of the NSN 5305-00-471-7990 is 5305
Does the NSN 5305-00-471-7990 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-471-7990 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 5305-00-471-7990 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-471-7990 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 5305-00-471-7990 was assigned to the Federal Catalog?
It was assigned 56 years ago, on Fri, May 8, 1970

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