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5310-01-272-8331

Find complete technical information, availability, and procurement data for: 5310-01-272-8331

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5310-01-272-8331
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-272-8331
Item Name Code
05280
Assigment Date
02/15/1988 (38 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.

3b thread class, 0.379 inches minimum first end counterbore diameter, dry film lubricant lubrication, prevailing torque all metal design locking feature, right-hand thread direction

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
Counterbore Diameter
0.379 inches minimum first end
Lubrication
dry film lubricant
Overall Height
0.709 inches minimum and 0.739 inches maximum
Mounting Hole Diameter
0.130 inches minimum and 0.135 inches maximum
Nut Style
plate
Nut Length
1.292 inches maximum
Nut Height
0.344 inches maximum
Plate Thickness
0.075 inches maximum
Plate Width
0.614 inches maximum
Nut Counterbore Depth
0.062 inches minimum first end
Nut Mounting Provision
straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.495 inches minimum and 0.505 inches maximum
Center To Center Distance Between Mounting Holes Along Length
0.998 inches minimum and 1.002 inches maximum
Temp Rating
232.0 celsius maximum
Thread Series
unjf
Thread Quantity Per Inch
24
Nominal Thread Size
0.375 inches
Part Name Assigned By Controlling Agency
navy special project
Material
steel overall
Surface Treatment
cadmium and chromate 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
GN500D6 Plate Self-Locking Nut
NS103883H-064 Plate Self-Locking Nut
T2S624K Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-272-8331?
The FSCG of the NSN 5310-01-272-8331 is 5310
Does the NSN 5310-01-272-8331 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-272-8331 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 5310-01-272-8331 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-272-8331 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 5310-01-272-8331 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Mon, Feb 15, 1988

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