5310-00-905-4981

Find complete technical information, availability, and procurement data for: 5310-00-905-4981
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5310-00-905-4981 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-905-4981

Item Name Code

04888

Assigment Date

06/22/1966 (60 years ago)

A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.

0.187 inches minimum and 0.192 inches maximum overall height, 3b thread class, double hexagon nut style, right-hand thread direction, 0.335 inches minimum and 0.340 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
Washer Outside Diameter: 0.335 inches minimum and 0.340 inches maximum
Overall Height: 0.187 inches minimum and 0.192 inches maximum
Nut Style: double hexagon
Washer Thickness: 0.056 inches nominal
Width Across Flats: 0.241 inches minimum and 0.251 inches maximum
Temp Rating: 450.0 celsius nominal
Thread Series: unf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel overall
Surface Treatment: cadmium 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
52LH7611-3	Nut,plain,extended Washer,double
64127-1032	Nut,plain,extended Washer,double
C396-3	Nut,plain,extended Washer,double
H28-3	Nut,plain,extended Washer,double

FAQs

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

What is the FSCG of the NSN 5310-00-905-4981?

The FSCG of the NSN 5310-00-905-4981 is 5310

Does the NSN 5310-00-905-4981 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-905-4981 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 5310-00-905-4981 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-905-4981 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 5310-00-905-4981 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, Jun 22, 1966