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5305-01-166-4415

Find complete technical information, availability, and procurement data for: 5305-01-166-4415

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5305-01-166-4415
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-166-4415
Item Name Code
16282
Assigment Date
11/11/1983 (42 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

1.127 inches minimum and 1.250 inches maximum thread length, right-hand thread direction, 1.210 inches minimum and 1.250 inches maximum fastener length, flat chamfer head style, 3a 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
3a
Thread Direction
right-hand
Thread Length
1.127 inches minimum and 1.250 inches maximum
Fastener Length
1.210 inches minimum and 1.250 inches maximum
Head Style
flat chamfer
Head Diameter
0.457 inches minimum and 0.469 inches maximum
Head Height
0.306 inches minimum and 0.313 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312 inches
Width Across Flats
0.250 inches minimum and 0.251 inches maximum
Thread Quantity Per Inch
24
Minimum Tensile Strength
170000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
150000 pounds per square inch
Special Features
color black
Material
steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 303 overall
Surface Treatment
oxide overall
Surface Treatment Document And Classification
mil-c-13924 cl4 mil spec single treatment response overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
6 type

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
418133-3120 Socket Head Cap Screw
MS16996-33B Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-166-4415?
The FSCG of the NSN 5305-01-166-4415 is 5305
Does the NSN 5305-01-166-4415 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-166-4415 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 5305-01-166-4415 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-166-4415 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 5305-01-166-4415 was assigned to the Federal Catalog?
It was assigned 42 years ago, on Fri, Nov 11, 1983

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