RB691

View detailed technical data, stock status, and sourcing information for: RB691
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for part RB691 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Plumbing, Heating, and Waste Disposal Equipment

Federal Supply Classification

4520 Space and Water Heating Equipment

National Stock Number

4520-00-596-3977

Item Name Code

77777

Assigment Date

01/10/1975 (51 years ago)

approx 14.875 in. lg; w/2 ports 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: approx 14.875 in. lg; w/2 ports

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
RB691	Condensate Return Assembly Riser

FAQs

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

What is the FSCG of the NSN 4520-00-596-3977?

The FSCG of the NSN 4520-00-596-3977 is 4520

Does NSN 4520-00-596-3977 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 4520-00-596-3977 contain precious materials?

Precious metal content is unknown

Does NSN 4520-00-596-3977 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 4520-00-596-3977 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Fri, Jan 10, 1975