5310-01-678-3220

Find complete technical information, availability, and procurement data for: 5310-01-678-3220
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-678-3220

Item Name Code

05277

Assigment Date

01/31/2019 (7 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

3b thread class, right-hand thread direction, prevailing torque with nonmetallic insert locking feature, hexagon nut style, 1.547 inches minimum and 1.609 inches maximum nut height

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
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 1.547 inches minimum and 1.609 inches maximum
End Item Identification: 5420-01-545-7365
Width Across Flats: 1.973 inches minimum and 2.008 inches maximum
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.375 inches
Bearing Surface Type: chamfered
Material: steel nut
Surface Treatment: zinc nut

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
N45913/3-22FG8Z	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-678-3220?

The FSCG of the NSN 5310-01-678-3220 is 5310

Does the NSN 5310-01-678-3220 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-678-3220 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 5310-01-678-3220 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-678-3220 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 5310-01-678-3220 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Thu, Jan 31, 2019