21C1249-018

View detailed technical data, stock status, and sourcing information for: 21C1249-018
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5342 Weapon System Hardware

National Stock Number

5342-00-999-5570

Item Name Code

20319

Assigment Date

02/25/1966 (60 years ago)

grooved retainer cross-sectional shape style, 40.0 included angle in deg, 0.063 inches nominal retainer thickness, 20.200 inches nominal inside diameter, single latch 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: 20.200 inches nominal
Retainer Thickness: 0.063 inches nominal
Latch Style: single
Included Angle In Deg: 40.0
Nut Type: plain hexagon
Segment Quantity: 2
Sealing Inner Liner: included
Retainer Width: 0.750 inches nominal
Root Width: 0.207 inches nominal
Band Thickness: 0.063 inches nominal
Band Width: 0.750 inches nominal
Drilled Lockwire Hole: included
Height: 0.281 inches nominal
Material: steel corrosion resisting 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
21C1249-018	Grooved Clamp Coupling
52277-2020	Grooved Clamp Coupling
NE 102627-2020	Grooved Clamp Coupling
NE102627-2020	Grooved Clamp Coupling

FAQs

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

What is the FSCG of the NSN 5342-00-999-5570?

The FSCG of the NSN 5342-00-999-5570 is 5342

Does the NSN 5342-00-999-5570 have a Schedule B code assigned?

Yes, the Schedule B code is 9803200000

Does NSN 5342-00-999-5570 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 5342-00-999-5570 contain precious materials?

Item does not contain precious metal.

Does NSN 5342-00-999-5570 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 5342-00-999-5570 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Feb 25, 1966