MS27977-21N

View detailed technical data, stock status, and sourcing information for: MS27977-21N
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-01-407-1678

Item Name Code

16550

Assigment Date

01/22/1995 (31 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

0.188 inches nominal body length, 0.704 inches nominal stud overall length, 0.375 inches nominal stud shank length, stud snap fastener stud style, 0.250 inches nominal stud base width across flats

Product Characteristics

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

Body Length: 0.188 inches nominal
Snap Fastener Stud Style: stud
Stud Shank Length: 0.375 inches nominal
Stud Overall Length: 0.704 inches nominal
Stud Base Width Across Flats: 0.250 inches nominal
Stud Retention Method: screw base
Material: copper overall
Surface Treatment: nickel overall
Surface Treatment Document And Classification: qq-n-290, cl 2 fed spec single treatment response overall
Thread Size And Series/Type Designator: 0.190-32 unjf

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
MS27977-21N	Snap Fastener Stud

FAQs

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

What is the FSCG of the NSN 5325-01-407-1678?

The FSCG of the NSN 5325-01-407-1678 is 5325

Does NSN 5325-01-407-1678 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 5325-01-407-1678 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-01-407-1678 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 5325-01-407-1678 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sun, Jan 22, 1995