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5305-01-645-2979

Find complete technical information, availability, and procurement data for: 5305-01-645-2979

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5305-01-645-2979
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-645-2979
Item Name Code
18257
Assigment Date
06/10/2015 (11 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.

2b thread class, right-hand thread direction, 1.500 inches minimum thread length, 2.500 inches nominal fastener length, 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
2b
Thread Direction
right-hand
Thread Length
1.500 inches minimum
Fastener Length
2.500 inches nominal
Head Style
hexagon
Handle Diameter
0.190 inches nominal
Head Height
0.120 inches nominal
Width Between Flats
0.313 inches nominal
Nominal Thread Diameter
0.190 inches
Thread Quantity Per Inch
24
External Thread Tolerance Class
2b
Part Name Assigned By Controlling Agency
hexagon head machine screw
Material
steel property class 18.8 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
6002249 Hexagon Head Cap Screw
92314A255 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-645-2979?
The FSCG of the NSN 5305-01-645-2979 is 5305
Does the NSN 5305-01-645-2979 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-645-2979 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 5305-01-645-2979 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-645-2979 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 5305-01-645-2979 was assigned to the Federal Catalog?
It was assigned 11 years ago, on Wed, Jun 10, 2015

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