2990-01-032-3568

Find complete technical information, availability, and procurement data for: 2990-01-032-3568
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-032-3568

Item Name Code

77777

Assigment Date

12/13/1976 (49 years ago)

An item composed of a compressible nonmetallic ring which may be loosely fitted into a noncompressible retaining ring, or may be of one piece construction with the compressible ring molded and/or mechanically connected to the retainer. It is specifically designed to form a fluid tight seal when compressed by a packing nut, gland, and the like, between fixed surfaces and a cylindrical item passing through it. Excludes:seal,plain,encased.

15.500 in. lg,3.625 in.w o/a,outer shell cres spec mil-s-6721,0.005 in. thk,vented,silica fiber insulation,inner shell cres spec mil-s-6721,0.003 in. thk,shells may be textured as required for forming to contour,texture loss due to forming is acceptable,seam joining inner and outer shellsin a continous weld,shrinkage 2.500 pct max,furnished with 6 capstan p/n 2587440,fscm 80064,and 6 washer p/n 2587439,fscm 80064 general characteristics item description

Product Characteristics

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

General Characteristics Item Description: 15.500 in. lg,3.625 in.w o/a,outer shell cres spec mil-s-6721,0.005 in. thk,vented,silica fiber insulation,inner shell cres spec mil-s-6721,0.003 in. thk,shells may be textured as required for forming to contour,texture loss due to forming is acceptable,seam joining inner and outer shellsin a continous weld,shrinkage 2.500 pct max,furnished with 6 capstan p/n 2587440,fscm 80064,and 6 washer p/n 2587439,fscm 80064

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
4168945	Manifold Insulation Cover

FAQs

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

What is the FSCG of the NSN 2990-01-032-3568?

The FSCG of the NSN 2990-01-032-3568 is 2990

Does NSN 2990-01-032-3568 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 2990-01-032-3568 contain precious materials?

Precious metal content is unknown

Does NSN 2990-01-032-3568 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 2990-01-032-3568 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Dec 13, 1976