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5305-00-616-3779

Find complete technical information, availability, and procurement data for: 5305-00-616-3779

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5305-00-616-3779
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-616-3779
Item Name Code
06672
Assigment Date
01/01/1961 (65 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

3a thread class, 2.500 inches nominal fastener length, 2.500 inches maximum thread length, right-hand thread direction, headless (setscrew) 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
3a
Thread Direction
right-hand
Thread Length
2.500 inches maximum
Fastener Length
2.500 inches nominal
Head Style
headless (setscrew)
Point Style
oval
Internal Drive Style
hexagon
Nominal Thread Diameter
0.500 inches
Width Across Flats
0.250 inches nominal
Thread Quantity Per Inch
13
Hardness Rating
29.0 rockwell c minimum and 33.0 rockwell c maximum overall
Material
steel comp 3140 overall
Material Document And Classification
qq-s-624 fed spec single material response overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-506-8096 No Name Available 01/01/1979
5305-00-635-2830 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
156PS14 Setscrew
9-763-01-0011 Setscrew
E241050C250 Setscrew
H2008SW001 ITEM NO. 49 Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-616-3779?
The FSCG of the NSN 5305-00-616-3779 is 5305
Does the NSN 5305-00-616-3779 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-616-3779 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 5305-00-616-3779 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-616-3779 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 5305-00-616-3779 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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