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5310-00-678-4312

Find complete technical information, availability, and procurement data for: 5310-00-678-4312

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5310-00-678-4312
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-678-4312
Item Name Code
15887
Assigment Date
01/01/1963 (63 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

0.437 inches nominal drive point depth, 7.290 inches nominal small end diameter, right-hand thread direction, round nut style, 2b 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
2b
Thread Direction
right-hand
Small End Diameter
7.290 inches nominal
Drive Point Depth
0.437 inches nominal
Nut Style
round
Nut Diameter
8.000 inches nominal
Nut Thickness
1.750 inches nominal
Drive Point Width
0.500 inches minimum and 0.515 inches maximum
Undercut Thickness
0.687 inches nominal
Drive Point Quantity
4
Drilled Hole Diameter
0.500 inches nominal
Hole Type And Quantity
4 drilled
Thread Series
uns
Thread Quantity Per Inch
8
Hardness Rating
150.0 brinell hultgren minimum and 242.0 brinell hultgren maximum
Nominal Thread Size
6.250 inches
Hole Configuration Style
configuration f
Material
steel overall
Surface Treatment
phosphate 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
5310006784312 Round Plain Nut
8765952 Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-678-4312?
The FSCG of the NSN 5310-00-678-4312 is 5310
Does the NSN 5310-00-678-4312 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-678-4312 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 5310-00-678-4312 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-678-4312 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 5310-00-678-4312 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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