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5310-01-347-5378

Find complete technical information, availability, and procurement data for: 5310-01-347-5378

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5310-01-347-5378
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-347-5378
Item Name Code
33115
Assigment Date
10/24/1991 (34 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

prevailing torque all metal design locking feature, 3b thread class, 0.435 inches minimum and 0.440 inches maximum ball seat radius, right-hand thread direction, single ball seat, double hexagon 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
Locking Feature
prevailing torque all metal design
Nut Style
single ball seat, double hexagon
Ball Seat Radius
0.435 inches minimum and 0.440 inches maximum
Nut Height
0.455 inches maximum
Width Across Flats
0.430 inches minimum and 0.439 inches maximum
Temp Rating
450.0 fahrenheit maximum
Thread Series
unjf
Thread Quantity Per Inch
24
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum
Nominal Thread Size
0.375 inches
Special Features
includes matching washer
Material
steel comp 8740 or steel comp 4340 overall
Material Document And Classification
mil-s-6049 mil spec 1st material response or mil-s-5000 mil spec 2nd material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 2 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
NAS1727-6 Single Ball Sea Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-347-5378?
The FSCG of the NSN 5310-01-347-5378 is 5310
Does the NSN 5310-01-347-5378 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-347-5378 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 5310-01-347-5378 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-347-5378 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 5310-01-347-5378 was assigned to the Federal Catalog?
It was assigned 34 years ago, on Thu, Oct 24, 1991

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