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FC030047

View detailed technical data, stock status, and sourcing information for: FC030047

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FC030047
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-256-3046
Item Name Code
16282
Assigment Date
06/03/1987 (39 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.

flat chamfer head style, right-hand thread direction, 0.658 inches minimum and 0.750 inches maximum thread length, 0.720 inches minimum and 0.750 inches maximum fastener length, 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
0.658 inches minimum and 0.750 inches maximum
Fastener Length
0.720 inches minimum and 0.750 inches maximum
Head Style
flat chamfer
Head Diameter
0.303 inches minimum and 0.312 inches maximum
Head Height
0.185 inches minimum and 0.190 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.190 inches
Width Across Flats
0.183 inches nominal
Thread Quantity Per Inch
32
Material
steel overall
Surface Treatment
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-01-299-9374 No Name Available 11/01/1990

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
FC030047 Socket Head Cap Screw
FD146X Socket Head Cap Screw
MA25-21114 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-256-3046?
The FSCG of the NSN 5305-01-256-3046 is 5305
Does the NSN 5305-01-256-3046 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-256-3046 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 5305-01-256-3046 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-256-3046 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 5305-01-256-3046 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Jun 3, 1987

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

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