5310-00-917-1989

Find complete technical information, availability, and procurement data for: 5310-00-917-1989
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-917-1989

Item Name Code

29730

Assigment Date

07/25/1966 (60 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

right-hand thread direction, 3b thread class, prevailing torque all metal design locking feature, dry film lubricant lubrication, 0.440 inches maximum washer outside 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
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.440 inches maximum
Lubrication: dry film lubricant
Overall Height: 0.328 inches maximum
Nut Style: hexagon
Washer Thickness: 0.040 inches minimum and 0.060 inches maximum
Width Across Flats: 0.306 inches minimum and 0.315 inches maximum
Temp Rating: 550.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 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
H16-4	Extended Washer Self-Locking Nut
Z00.N5415513305	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-917-1989?

The FSCG of the NSN 5310-00-917-1989 is 5310

Does NSN 5310-00-917-1989 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 5310-00-917-1989 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-917-1989 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 5310-00-917-1989 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Mon, Jul 25, 1966