123178A04T05

View detailed technical data, stock status, and sourcing information for: 123178A04T05
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-206-3444

Item Name Code

06657

Assigment Date

04/17/1985 (41 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes:setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

right-hand thread direction, 0.208 inches minimum and 0.258 inches maximum thread length, pan head style, 3a thread class, 0.530 inches minimum and 0.560 inches maximum 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: 0.208 inches minimum and 0.258 inches maximum
Fastener Length: 0.530 inches minimum and 0.560 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,type 2 class 2 fed spec single treatment response
Thread Series Designator: unjc

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
123178A04T05	Machine Screw
A1C4037-04-05	Machine Screw
A433-0005	Machine Screw
AIC4037-04-05	Machine Screw
LE111-0023-0005	Machine Screw
MA2LE123-04-0005	Machine Screw
PB1375-0005	Machine Screw
S11-1084-0005	Machine Screw
SC2176T-04-05	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-206-3444?

The FSCG of the NSN 5305-01-206-3444 is 5305

Does the NSN 5305-01-206-3444 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-206-3444 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 5305-01-206-3444 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-206-3444 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 5305-01-206-3444 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Apr 17, 1985