5310-00-690-5256

Find complete technical information, availability, and procurement data for: 5310-00-690-5256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-690-5256

Item Name Code

15898

Assigment Date

01/01/1963 (63 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.490 inches minimum and 0.510 inches maximum overall width, 0.490 inches minimum and 0.510 inches maximum overall length, 0.180 inches minimum and 0.200 inches maximum hole diameter, 0.060 inches minimum and 0.080 inches maximum material thickness, aluminum alloy 2024 overall material

Product Characteristics

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

Hole Diameter: 0.180 inches minimum and 0.200 inches maximum
Overall Length: 0.490 inches minimum and 0.510 inches maximum
Overall Width: 0.490 inches minimum and 0.510 inches maximum
Material Thickness: 0.060 inches minimum and 0.080 inches maximum
Material: aluminum alloy 2024 overall
Material Document And Classification: qq-a-200/3 fed spec single material response overall
Surface Treatment: zinc and chromate overall
Style Designator: saddle

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
204-030-526-001	Saddle Washer
204-030-526-1	Saddle Washer
5310HU1-017-3	Saddle Washer

FAQs

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

What is the FSCG of the NSN 5310-00-690-5256?

The FSCG of the NSN 5310-00-690-5256 is 5310

Does the NSN 5310-00-690-5256 have a Schedule B code assigned?

Yes, the Schedule B code is 7616108000

Does NSN 5310-00-690-5256 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 5310-00-690-5256 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-690-5256 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 5310-00-690-5256 was assigned to the Federal Catalog?

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