655770

View detailed technical data, stock status, and sourcing information for: 655770
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-488-4403

Item Name Code

01857

Assigment Date

05/13/1970 (56 years ago)

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

hexagon nut style, 0.835 inches minimum and 0.855 inches maximum nut height, 0.553 inches minimum and 0.564 inches maximum width across flats, right-hand thread direction, 3bg thread class

Product Characteristics

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

Thread Class: 3bg
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.835 inches minimum and 0.855 inches maximum
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Bearing Surface Type: chamfered
Material: iron alloy 660 overall
Material Document And Classification: ams 5735 assn std single material response overall
Precious Material: silver
Surface Treatment: silver overall
Surface Treatment Document And Classification: ams 2410 assn std 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
655770	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-488-4403?

The FSCG of the NSN 5310-00-488-4403 is 5310

Does the NSN 5310-00-488-4403 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-488-4403 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 5310-00-488-4403 contain precious materials?

Item contains silver.

Does NSN 5310-00-488-4403 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 5310-00-488-4403 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Wed, May 13, 1970