21A18-04C31-5

View detailed technical data, stock status, and sourcing information for: 21A18-04C31-5
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Federal Supply Group

Pipe, Tubing, Hose, and Fittings

Federal Supply Classification

4720 Hose and Flexible Tubing

National Stock Number

4720-01-535-5475

Item Name Code

11116

Assigment Date

12/02/2005 (20 years ago)

round cross-sectional shape style, 1.000 inches nominal both ends inside diameter, b-1b secbm end item identification, 1.125 inches minimum and 1.250 inches maximum both ends outside diameter, 1.250 inches nominal both ends end overall length

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: round
Inside Diameter: 1.000 inches nominal both ends
Outside Diameter: 1.125 inches minimum and 1.250 inches maximum both ends
End Item Identification: b-1b secbm
End Overall Length: 1.250 inches nominal both ends
Connection Style: round both ends
Connection Type: soft both ends
End Inside Diameter: 1.000 inches nominal both ends
Measuring Method And Length: 5.250 inches nominal overall
Material: fiberglass and rubber silicone class q all plies
Style Designator: helically wound continous wire supported

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
21A18-04C31-5	Air Duct Hose
LE271-0104-0521	Air Duct Hose

FAQs

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

What is the FSCG of the NSN 4720-01-535-5475?

The FSCG of the NSN 4720-01-535-5475 is 4720

Does NSN 4720-01-535-5475 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 4720-01-535-5475 contain precious materials?

Item does not contain precious metal.

Does NSN 4720-01-535-5475 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 4720-01-535-5475 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Fri, Dec 2, 2005