5310-00-638-1148

Find complete technical information, availability, and procurement data for: 5310-00-638-1148
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-638-1148

Item Name Code

15887

Assigment Date

01/01/1963 (63 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.

3b thread class, 1.719 inches minimum and 1.781 inches maximum nut diameter, right-hand thread direction, round nut style, 1.450 inches minimum and 1.470 inches maximum nut counterbore diameter

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Counterbore Diameter: 1.450 inches minimum and 1.470 inches maximum nut
Nut Style: round
Nut Diameter: 1.719 inches minimum and 1.781 inches maximum
Nut Thickness: 0.469 inches minimum and 0.531 inches maximum
Nut Counterbore Depth: 0.094 inches minimum and 0.156 inches maximum nut
Width Across Flats: 1.531 inches minimum and 1.594 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.375 inches
Countersink Angle: 109.5 degrees minimum and 110.5 degrees maximum nut
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response overall

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
S1640-61212	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-638-1148?

The FSCG of the NSN 5310-00-638-1148 is 5310

Does the NSN 5310-00-638-1148 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-638-1148 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 5310-00-638-1148 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-638-1148 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 5310-00-638-1148 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963