B8757

View detailed technical data, stock status, and sourcing information for: B8757
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Federal Supply Group

Nonmetallic Fabricated Materials

Federal Supply Classification

9390 Miscellaneous Fabricated Nonmetallic Materials

National Stock Number

9390-00-202-1689

Item Name Code

35168

Assigment Date

01/01/1963 (63 years ago)

0.812 inches nominal small end outside diameter, 3.000 inches nominal contracted length, 0.938 inches nominal large end outside diameter, 0.438 inches nominal large end inside diameter, 7.000 inches nominal extended length

Product Characteristics

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

Large End Outside Diameter: 0.938 inches nominal
Small End Outside Diameter: 0.812 inches nominal
Extended Length: 7.000 inches nominal
Contracted Length: 3.000 inches nominal
Large End Inside Diameter: 0.438 inches nominal
Small End Inside Diameter: 0.312 inches nominal
Small End Outside Length: 0.625 inches nominal
Large End Inside Length: 0.500 inches nominal
Neutral Length: 4.875 inches nominal
Large End Outside Length: 0.641 inches nominal
Small End Inside Length: 0.625 inches nominal
Thickness Between Ends: 0.109 inches nominal
Thickness At Both Ends: 0.250 inches nominal
Material: rubber synthetic

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
B8757	Protection Bellows

FAQs

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

What is the FSCG of the NSN 9390-00-202-1689?

The FSCG of the NSN 9390-00-202-1689 is 9390

Does the NSN 9390-00-202-1689 have a Schedule B code assigned?

Yes, the Schedule B code is 4016930000

Does NSN 9390-00-202-1689 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 9390-00-202-1689 contain precious materials?

Precious metal content is unknown

Does NSN 9390-00-202-1689 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 9390-00-202-1689 was assigned to the Federal Catalog?

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