5310-01-329-4163

Find complete technical information, availability, and procurement data for: 5310-01-329-4163
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-329-4163

Item Name Code

36744

Assigment Date

11/16/1990 (35 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, 0.340 inches maximum overall height, right-hand thread direction, 0.460 inches maximum washer outside diameter, 0.107 inches minimum and 0.117 inches maximum nut counterbore diameter

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
Washer Outside Diameter: 0.460 inches maximum
Counterbore Diameter: 0.107 inches minimum and 0.117 inches maximum nut
Overall Height: 0.340 inches maximum
Width Across Flats: 0.306 inches minimum and 0.316 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 33.0 rockwell c minimum and 44.0 rockwell c maximum
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 nut
Material: steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303cu or steel comp 303f or steel comp 303ma or steel comp 303pb or steel comp 303 plus x or steel comp 303s or steel comp 303se or steel comp 304 or steel comp 304h or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 washer
Material Document And Classification: ams5731 assn std single material response or ams5732 assn std single material response or ams5737 assn std single material response nut
Surface Treatment: passivate washer
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response washer

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
03A136W4L	Extended Washer Self-Locking Nut
BHW136M4	Extended Washer Self-Locking Nut
KFN512DL4	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-329-4163?

The FSCG of the NSN 5310-01-329-4163 is 5310

Does the NSN 5310-01-329-4163 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-329-4163 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 5310-01-329-4163 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-329-4163 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 5310-01-329-4163 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Nov 16, 1990