1593581

View detailed technical data, stock status, and sourcing information for: 1593581

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1593581
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-064-8423
Item Name Code
16282
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

2a thread class, right-hand thread direction, flat chamfer head style, 1.125 inches minimum thread length, 2.125 inches nominal fastener 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 Direction
right-hand
Thread Length
1.125 inches minimum
Fastener Length
2.125 inches nominal
Head Style
flat chamfer
Head Diameter
0.265 inches minimum and 0.270 inches maximum
Head Height
0.160 inches minimum and 0.164 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.164 inches
Width Across Flats
0.125 inches minimum and 0.127 inches maximum
Thread Quantity Per Inch
32
Minimum Tensile Strength
130000 pounds per square inch
Material
steel overall
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
1593581 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-064-8423?
The FSCG of the NSN 5305-00-064-8423 is 5305
Does the NSN 5305-00-064-8423 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-064-8423 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 5305-00-064-8423 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-064-8423 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 5305-00-064-8423 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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