ML620-12

View detailed technical data, stock status, and sourcing information for: ML620-12

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ML620-12
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5325 Fastening Devices
National Stock Number
5325-00-638-8639
Item Name Code
11444
Assigment Date
01/01/1963 (63 years ago)

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes:items having a sleeve on on its under portion which can be clinched or crimped. Excludes:bushing,machine thread; nut,plain,knurled; nut,plain,round; nut,plain,clinch and nut,self-locking,clinch. See also nut,plain,plate

0.063 inches nominal flange thickness, 0.217 in. min,0.221 in. max insert size, 2b thread class, 0.282 inches nominal length, 0.344 inches nominal 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.

Thread Class
2b
Flange Thickness
0.063 inches nominal
Length
0.282 inches nominal
Width Across Flats
0.344 inches nominal
Insert Size
0.217 in. min,0.221 in. max
Thread Quantity Per Inch
32
Nominal Thread Size
0.164 inches
Material
aluminum alloy overall
Surface Treatment
anodize overall
Style Designator
flange
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5340-00-637-8894 No Name Available 09/01/2001

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
G372-14 Screw Thread Insert
ML620-12 Screw Thread Insert
ML620-14 Screw Thread Insert

FAQs

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

What is the FSCG of the NSN 5325-00-638-8639?
The FSCG of the NSN 5325-00-638-8639 is 5325
Does the NSN 5325-00-638-8639 have a Schedule B code assigned?
Yes, the Schedule B code is 9606100000
Does NSN 5325-00-638-8639 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 5325-00-638-8639 contain precious materials?
Precious metal content is unknown
Does NSN 5325-00-638-8639 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 5325-00-638-8639 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

Professional Distribution

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