1770-066

View detailed technical data, stock status, and sourcing information for: 1770-066
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-281-6625

Item Name Code

07623

Assigment Date

01/01/1961 (65 years ago)

rectangular cross-sectional shape style, not casehardened casehardening indicator, 1.859 inches nominal outside diameter, 1.609 inches nominal inside diameter, 0.093 inches minimum and 0.097 inches maximum major thickness

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Inside Diameter: 1.609 inches nominal
Casehardening Indicator: not casehardened
Outside Diameter: 1.859 inches nominal
Major Thickness: 0.093 inches minimum and 0.097 inches maximum
End Style: vertex center or above
Ring Style: straight gap
Usage Design: external
Material Hardness Rating: 43.0 rockwell c minimum and 48.0 rockwell c maximum
Material: steel comp 1065
Material Document And Classification: astm a576 fs1065 assn std single material response

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2520-00-164-0979	No Name Available	01/01/1963
5340-00-164-2134	No Name Available	01/01/1963

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
01770-0066	Retaining Ring
1003T2	Retaining Ring
1770-066	Retaining Ring
201910	Retaining Ring
3BL01012	Retaining Ring
76T2	Retaining Ring
8A8241	Retaining Ring
AR2449-1	Retaining Ring
P18243	Retaining Ring
Q70647-58	Retaining Ring
SK251-25	Retaining Ring
V4392X	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-281-6625?

The FSCG of the NSN 5325-00-281-6625 is 5325

Does the NSN 5325-00-281-6625 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-281-6625 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 5325-00-281-6625 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-281-6625 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 5325-00-281-6625 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961