166M630A1 PC 11L1

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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-443-5638

Item Name Code

01857

Assigment Date

04/13/1997 (29 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length having an external thread of one nominal diameter running from end to end. See also rod, continuous thread.

13 thread quantity per inch, unc thread series, 2b thread class, 0.500 inches nominal thread size, distillate cooler end item identification

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
End Item Identification: distillate cooler
Thread Series: unc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Criticality Code Justification: zzzy
Material: nickel alloy overall
Reference Number Differentiating Characteristics: quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items

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
166M630A1 PC 11	Hexagon Plain Nut
166M630A1 PC 11L1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-443-5638?

The FSCG of the NSN 5310-01-443-5638 is 5310

Does the NSN 5310-01-443-5638 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-443-5638 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 5310-01-443-5638 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-443-5638 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 5310-01-443-5638 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sun, Apr 13, 1997