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5310-01-131-5493

Find complete technical information, availability, and procurement data for: 5310-01-131-5493

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5310-01-131-5493
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-01-131-5493
Item Name Code
29730
Assigment Date
05/12/1982 (44 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, 0.467 inches maximum nut counterbore diameter, 0.645 inches maximum washer outside diameter, 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
Washer Outside Diameter
0.645 inches maximum
Counterbore Diameter
0.467 inches maximum nut
Lubrication
dry film lubricant
Overall Height
0.438 inches minimum and 0.468 inches maximum
Nut Style
slotted hexagon
Washer Thickness
0.070 inches nominal
Width Across Flats
0.494 inches minimum and 0.504 inches maximum
Temp Rating
450.0 fahrenheit maximum
Thread Series
unjf
Thread Quantity Per Inch
20
Nominal Thread Size
0.438 inches
Material
iron alloy 660 overall
Material Document And Classification
ams 5525 assn std single material response or ams 5732 assn std single material response overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 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
10109602 Extended Washer Self-Locking Nut
79317CM-720 Extended Washer Self-Locking Nut
BH787-7 Extended Washer Self-Locking Nut
E12695-7 Extended Washer Self-Locking Nut
ST3M787-7 Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-131-5493?
The FSCG of the NSN 5310-01-131-5493 is 5310
Does the NSN 5310-01-131-5493 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-131-5493 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 5310-01-131-5493 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-131-5493 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 5310-01-131-5493 was assigned to the Federal Catalog?
It was assigned 44 years ago, on Wed, May 12, 1982

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