205-040-120-1

View detailed technical data, stock status, and sourcing information for: 205-040-120-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-071-0907

Item Name Code

15934

Assigment Date

01/01/1963 (63 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

2.562 inches minimum and 2.563 inches maximum shoulder diameter, 0.260 inches minimum and 0.280 inches maximum shoulder height, 0.080 inches minimum and 0.090 inches maximum material thickness, 2.790 inches minimum and 2.810 inches maximum outside diameter, 2.423 inches minimum and 2.430 inches maximum hole diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Hole Diameter: 2.423 inches minimum and 2.430 inches maximum
Shoulder Diameter: 2.562 inches minimum and 2.563 inches maximum
Outside Diameter: 2.790 inches minimum and 2.810 inches maximum
Shoulder Height: 0.260 inches minimum and 0.280 inches maximum
Material Thickness: 0.080 inches minimum and 0.090 inches maximum
Minimum Tensile Strength: 145000 pounds per square inch
Surface Finish: 63.0 microinches all surfaces
Special Features: two diametrically opposite holes,0.077 in. min,0.082 in. max dia. located on the shouldered portion,0.180 in. nom distance from center of hole to bearing surface of washer. holes drilled on a 60 deg angle
Material: steel overall
Material Document And Classification: ams6381 assn std single material response or mil-s-5626,cond c1 mil spec single material response or mil-s-6758,cond d1 mil spec single material response overall
Style Designator: shouldered

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
205-040-120-001	Shouldered Washer
205-040-120-1	Shouldered Washer

FAQs

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

What is the FSCG of the NSN 5310-00-071-0907?

The FSCG of the NSN 5310-00-071-0907 is 5310

Does the NSN 5310-00-071-0907 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-00-071-0907 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 5310-00-071-0907 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-071-0907 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 5310-00-071-0907 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963