0374131-1

View detailed technical data, stock status, and sourcing information for: 0374131-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-210-2895

Item Name Code

04905

Assigment Date

06/11/1985 (41 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.910 inches nominal fastener length, 2a thread class, right-hand thread direction, 0.430 inches nominal thread length, hexagon head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.430 inches nominal
Fastener Length: 0.910 inches nominal
Head Style: hexagon
Head Height: 0.156 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Shoulder Diameter: 0.311 inches minimum and 0.312 inches maximum first shoulder
Shoulder Length: 0.470 inches minimum and 0.480 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Shoulder Shape: round first shoulder
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty1,cl3 fed spec single treatment response overall
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
0374131-1	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-210-2895?

The FSCG of the NSN 5306-01-210-2895 is 5306

Does the NSN 5306-01-210-2895 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-210-2895 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 5306-01-210-2895 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-210-2895 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 5306-01-210-2895 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Jun 11, 1985