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5305-01-101-4781

Find complete technical information, availability, and procurement data for: 5305-01-101-4781

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5305-01-101-4781
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-101-4781
Item Name Code
16282
Assigment Date
10/01/1980 (45 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.

1.125 inches minimum and 1.250 inches maximum thread length, right-hand thread direction, 3a thread class, flat chamfer head style, 1.250 inches nominal fastener length

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
1.125 inches minimum and 1.250 inches maximum
Fastener Length
1.250 inches nominal
Head Style
flat chamfer
Head Diameter
0.550 inches minimum and 0.562 inches maximum
Head Height
0.368 inches minimum and 0.375 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.375 inches
Width Across Flats
0.312 inches nominal
Thread Quantity Per Inch
16
Part Name Assigned By Controlling Agency
navy special project
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
400804 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-101-4781?
The FSCG of the NSN 5305-01-101-4781 is 5305
Does NSN 5305-01-101-4781 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 5305-01-101-4781 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-101-4781 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 5305-01-101-4781 was assigned to the Federal Catalog?
It was assigned 45 years ago, on Wed, Oct 1, 1980

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