2990-01-037-9172

Find complete technical information, availability, and procurement data for: 2990-01-037-9172
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-01-037-9172

Item Name Code

10849

Assigment Date

03/26/1977 (49 years ago)

A battery, composed of two or more cells forming a single unit, which may or may not be readily separable and which may be efficiently recharged by sending an electric current through the cells in a direction opposite that of the discharging current. The item may be furnished with integral charging facilities. For items which are composed of a single cell see cell, battery.

dry design type, flange single inlet inlet connection type, 2.250 inches nominal overall length, 5.000 inches nominal overall height, 3.250 inches nominal overall width

Product Characteristics

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

Overall Length: 2.250 inches nominal
Overall Height: 5.000 inches nominal
Overall Width: 3.250 inches nominal
Inlet Connection Type: flange single inlet
Design Type: dry
Coolant Type: air
Muffler Design: baffle
Baffle Quantity: 1
Body Shape: rectangular
Operating Position: vertical
Inlet Location: located on back side of body single inlet
Inlet Projection Length: 0.094 inches nominal single inlet0.094 inches nominal
Inlet Flange Shape: oval single inlet
Inlet Flange Mounting Provision And Quantity: 2 holes single inlet2 holes
Inlet Flange Mounting Hole Diameter: 0.312 inches nominal single inlet0.312 inches nominal
Inlet Flange Mounting Provision Spacing: 1.500 c to c dim. of mtg holes single inlet
Nonconnection Outlet Type And Quantity: 23 perforated
Nonconnection Outlet Location: in front of body
Nonconnection Outlet Size: 0.469 in. dia
Material: steel location not otherwise specified

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
28269	Exhaust Muffler
31362	Exhaust Muffler
8122-A	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-01-037-9172?

The FSCG of the NSN 2990-01-037-9172 is 2990

Does the NSN 2990-01-037-9172 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-01-037-9172 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 2990-01-037-9172 contain precious materials?

Precious metal content is unknown

Does NSN 2990-01-037-9172 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 2990-01-037-9172 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Mar 26, 1977