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TX1027C3-20A

View detailed technical data, stock status, and sourcing information for: TX1027C3-20A

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TX1027C3-20A
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-521-6403
Item Name Code
29294
Assigment Date
06/28/2004 (22 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

1.580 inches minimum and 1.610 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.340 inches minimum and 0.350 inches maximum thread 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
0.340 inches minimum and 0.350 inches maximum
Fastener Length
1.580 inches minimum and 1.610 inches maximum
Head Style
flat countersunk
Head Diameter
0.2931 inches minimum and 0.3016 inches maximum
Spline Major Diameter
0.154 inches minimum and 0.156 inches maximum
Grip Diameter
0.189 inches nominal
Point Diameter
0.345 inches nominal
Point Style
flat
Internal Drive Style
torx
Nominal Thread Diameter
0.190 inches
Grip Length
1.240 inches minimum and 1.260 inches maximum
Thread Quantity Per Inch
32
Countersink Angle
99.0 degrees nominal and 101.0 degrees maximum
Part Name Assigned By Controlling Agency
bolt, 100 degree reduced head, gear drive recess
Special Features
125 ksi shear strength
Material
nickel alloy 718 overall
Material Document And Classification
ams 5662 assn std single material response overall
Surface Treatment
passivate overall
Thread Series Designator
unjf

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
3B1170C3-20A Close Tolerance Screw
3M1170C3-20A Close Tolerance Screw
TX1027C3-20A Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-6403?
The FSCG of the NSN 5305-01-521-6403 is 5305
Does the NSN 5305-01-521-6403 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5305-01-521-6403 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 5305-01-521-6403 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-521-6403 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 5305-01-521-6403 was assigned to the Federal Catalog?
It was assigned 22 years ago, on Mon, Jun 28, 2004

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