820-2179325-49

View detailed technical data, stock status, and sourcing information for: 820-2179325-49
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-241-6029

Item Name Code

18257

Assigment Date

09/30/1986 (39 years ago)

2a thread class, right-hand thread direction, 0.865 inches minimum and 0.885 inches maximum fastener length, dished hexagon head style, 0.630 inches nominal thread length

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.630 inches nominal
Fastener Length: 0.865 inches minimum and 0.885 inches maximum
Head Style: dished hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Criticality Code Justification: zzzy
Material: nickel alloy and copper alloy and aluminum alloy overall
Thread Series Designator: unc
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
820-2179325-49	Hexagon Head Cap Screw
820-5348603	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-241-6029?

The FSCG of the NSN 5305-01-241-6029 is 5305

Does NSN 5305-01-241-6029 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 5305-01-241-6029 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-241-6029 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 5305-01-241-6029 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, Sep 30, 1986