M4377018-MIZ1

View detailed technical data, stock status, and sourcing information for: M4377018-MIZ1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-081-8281

Item Name Code

16954

Assigment Date

08/20/1979 (46 years ago)

An item specifically designed to fit over the opening(s) of various items to provide mechanical protection and/or to prevent the entrance of foreign matter during painting, shipping, storage, or the like. It is not designed to retain fluids under pressure during equipment operation. Excludes:cover, electrical connector; hood, sealing, bottle; and stopper, bottle. For items designed to fit into or over the opening(s) of various items, see cap-plug, protective, dust and moisture seal.

swivel design type, swivel end connection style, not included rubber covered feature, 0.438 inches minimum and 0.500 inches maximum inside width, 3.625 inches minimum and 3.687 inches maximum overall length

Product Characteristics

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

Overall Length: 3.625 inches minimum and 3.687 inches maximum
Inside Width: 0.438 inches minimum and 0.500 inches maximum
End Connection Style: swivel
Design Type: swivel
Rubber Covered Feature: not included
Unattached Ring: not included
Hook Style Designator: pivot
Material: iron malleable connection end
Material: iron malleable hook

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
M43770/8-MIZ1	Snap Hook
M4377018-MIZ1	Snap Hook
MIL-S-43403 TYP EII	Snap Hook
MIL-S-43770/8	Snap Hook
MIL-S-43770/8M4 3770/8-M1Z1	Snap Hook
NASM43770/8	Snap Hook

FAQs

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

What is the FSCG of the NSN 5340-01-081-8281?

The FSCG of the NSN 5340-01-081-8281 is 5340

Does the NSN 5340-01-081-8281 have a Schedule B code assigned?

Yes, the Schedule B code is 7325100000

Does NSN 5340-01-081-8281 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 5340-01-081-8281 contain precious materials?

Precious metal content is unknown

Does NSN 5340-01-081-8281 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-081-8281 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Mon, Aug 20, 1979

Professional Distribution

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Pricing

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In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material	169
Total	169

Availability of this item was last updated on: 02/02/2026 07:02 AM EST. Stock levels and pricing are subject to change.