5310-01-391-9111

Find complete technical information, availability, and procurement data for: 5310-01-391-9111
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-391-9111

Item Name Code

15887

Assigment Date

06/20/1994 (32 years ago)

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes:washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

right-hand thread direction, 3b thread class, 0.050 inches minimum and 0.060 inches maximum drive point depth, 0.851 inches minimum and 0.856 inches maximum small end diameter, round nut 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: 3b
Thread Direction: right-hand
Small End Diameter: 0.851 inches minimum and 0.856 inches maximum
Drive Point Depth: 0.050 inches minimum and 0.060 inches maximum
Nut Style: round
Nut Diameter: 0.938 inches minimum and 0.948 inches maximum
Nut Thickness: 0.219 inches minimum and 0.224 inches maximum
Drive Point Width: 0.125 inches minimum and 0.135 inches maximum
Undercut Thickness: 0.100 inches minimum and 0.105 inches maximum
Drive Point Quantity: 8
Thread Series: uns
Thread Quantity Per Inch: 32
Hardness Rating: 26.0 rockwell c minimum and 33.0 rockwell c maximum
Nominal Thread Size: 0.664 inches
Countersink Angle: 89.5 degrees minimum and 90.5 degrees maximum nut
Material: steel comp 4130 overall
Material Document And Classification: mil-s-6758 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2cl2 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1493 professional/industrial association standard

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
NAS1493-4	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-391-9111?

The FSCG of the NSN 5310-01-391-9111 is 5310

Does the NSN 5310-01-391-9111 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-391-9111 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 5310-01-391-9111 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-391-9111 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 5310-01-391-9111 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Mon, Jun 20, 1994