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5310-01-049-1279

Find complete technical information, availability, and procurement data for: 5310-01-049-1279

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5310-01-049-1279
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-049-1279
Item Name Code
05280
Assigment Date
10/12/1977 (48 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, 0.130 inches minimum and 0.135 inches maximum mounting hole diameter, right-hand thread direction, prevailing torque all metal design locking feature, dry film lubricant lubrication

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
Lubrication
dry film lubricant
Mounting Hole Diameter
0.130 inches minimum and 0.135 inches maximum
Nut Style
plate
Nut Length
1.602 inches maximum
Nut Height
0.400 inches maximum
Plate Thickness
0.055 inches maximum
Plate Width
0.859 inches maximum
Nut Counterbore Depth
0.062 inches minimum nut
Nut Mounting Provision
straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
0.620 inches minimum and 0.630 inches maximum
Center To Center Distance Between Mounting Holes Along Length
1.248 inches minimum and 1.252 inches maximum
Thread Series
unjf
Features Provided
floating nut
Thread Quantity Per Inch
20
Nominal Thread Size
0.4375 inches
Special Features
nut dyed yellow
Material
steel corrosion resisting overall
Material Document And Classification
ams 5525 assn std single material response or ams 5735 assn std single material 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
10122048 Plate Self-Locking Nut
BFN719C7M1 Plate Self-Locking Nut
F12090-1-7 Plate Self-Locking Nut
F50339-7-1 Plate Self-Locking Nut
ST3M719C7M1 Plate Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-049-1279?
The FSCG of the NSN 5310-01-049-1279 is 5310
Does the NSN 5310-01-049-1279 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-049-1279 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 5310-01-049-1279 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-049-1279 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 5310-01-049-1279 was assigned to the Federal Catalog?
It was assigned 48 years ago, on Wed, Oct 12, 1977

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