5100-55-S-MD

View detailed technical data, stock status, and sourcing information for: 5100-55-S-MD
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-584-6557

Item Name Code

07623

Assigment Date

01/01/1963 (63 years ago)

0.033 inches minimum and 0.037 inches maximum major thickness, external ring style, 0.499 inches minimum and 0.514 inches maximum inside diameter, rectangular cross-sectional shape style, not casehardened casehardening indicator

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: 0.499 inches minimum and 0.514 inches maximum
Casehardening Indicator: not casehardened
Major Thickness: 0.033 inches minimum and 0.037 inches maximum
Ring Style: external
Usage Design: external
Material Hardness Rating: 66.0 rockwell superficial 30-n minimum and 71.0 rockwell superficial 30-n maximum
Material: steel comp 1066 or steel comp 1069 or steel comp 1070 or steel comp 1072 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1086 or steel comp 1090
Material Document And Classification: fed std 66 aisi 1066 or 1069 or 1070 or 1072 or 1074 or 1075 or 1078 or 1080 or 1084 or 1086 1090 fed std single material response
Surface Treatment: cadmium and chromate or chromate zinc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5365-00-298-9424	No Name Available	10/01/1975

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
3100-55-ST-CD	Retaining Ring
5100-55-S-MD	Retaining Ring
5100-55MD	Retaining Ring
MS16624-1055	Retaining Ring
NAS51-55	Retaining Ring
NAS670-55	Retaining Ring

FAQs

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

What is the FSCG of the NSN 5325-00-584-6557?

The FSCG of the NSN 5325-00-584-6557 is 5325

Does the NSN 5325-00-584-6557 have a Schedule B code assigned?

Yes, the Schedule B code is 9606100000

Does NSN 5325-00-584-6557 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 5325-00-584-6557 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-584-6557 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 5325-00-584-6557 was assigned to the Federal Catalog?

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