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5305-00-576-6987

Find complete technical information, availability, and procurement data for: 5305-00-576-6987

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5305-00-576-6987
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-576-6987
Item Name Code
18257
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.

1.500 inches nominal fastener length, 1.000 inches nominal thread length, 2a thread class, right-hand thread direction, hexagon 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
1.000 inches nominal
Fastener Length
1.500 inches nominal
Head Style
hexagon
Head Height
0.226 inches minimum and 0.243 inches maximum
Width Between Flats
0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter
0.375 inches
Thread Quantity Per Inch
24
Hardness Rating
23.0 rockwell c minimum and 30.0 rockwell c maximum overall
Minimum Yield Strength
120000 pounds per square inch
Material
steel overall
Surface Treatment
cadmium or zinc overall
Thread Series Designator
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-018-1643 No Name Available 01/01/1963
5305-00-562-6462 No Name Available 11/04/1966
5305-00-651-7633 No Name Available 01/01/1963

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
181643 Hexagon Head Cap Screw
60X3210 Hexagon Head Cap Screw
S125 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-576-6987?
The FSCG of the NSN 5305-00-576-6987 is 5305
Does the NSN 5305-00-576-6987 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-576-6987 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 5305-00-576-6987 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-576-6987 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 5305-00-576-6987 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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