5342-00-656-2638

Find complete technical information, availability, and procurement data for: 5342-00-656-2638
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-00-656-2638

Item Name Code

20319

Assigment Date

01/01/1963 (63 years ago)

self-locking hexagon nut type, 4.500 inches nominal inside diameter, 0.020 inches nominal retainer thickness, single latch style, grooved retainer cross-sectional shape style

Product Characteristics

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

Cross-Sectional Shape Style: grooved retainer
Inside Diameter: 4.500 inches nominal
Retainer Thickness: 0.020 inches nominal
Latch Style: single
Nut Type: self-locking hexagon
Segment Quantity: 2
Sealing Inner Liner: included
Retainer Width: 1.610 inches nominal
Root Width: 1.120 inches nominal
Band Thickness: 0.020 inches nominal
Band Width: 0.750 inches nominal
Height: 0.156 inches nominal
Material: steel comp 301 overall
Material Document And Classification: mil-s-5059, type 301, 1/2 hard mil spec single material response overall
Shape: round

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
42535-450SH	Grooved Clamp Coupling

FAQs

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

What is the FSCG of the NSN 5342-00-656-2638?

The FSCG of the NSN 5342-00-656-2638 is 5342

Does the NSN 5342-00-656-2638 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 5342-00-656-2638 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 5342-00-656-2638 contain precious materials?

Precious metal content is unknown

Does NSN 5342-00-656-2638 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 5342-00-656-2638 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963