WD-41-C

View detailed technical data, stock status, and sourcing information for: WD-41-C
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-141-9229

Item Name Code

10849

Assigment Date

01/01/1963 (63 years ago)

threaded single inlet inlet connection type, 4.620 inches nominal overall diameter, 17.062 inches nominal overall length, right-hand single inlet inlet thread direction, dry design type

Product Characteristics

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

Overall Length: 17.062 inches nominal
Inlet Connection Type: threaded single inlet
Inlet Thread Direction: right-hand single inlet
Overall Diameter: 4.620 inches nominal
Design Type: dry
Coolant Type: air
Muffler Design: directional vane w/integral spark arrestor
Baffle Quantity: 1
Tube Quantity: 3
Body Shape: round
Operating Position: horizontal
Inlet Location: 1-3/8 in. c to c from horizontal centerline single inlet
Inlet Projection Length: 1.781 inches nominal single inlet1.781 inches nominal
Inlet Thread Size: 1-1/4 - 11-1/2 single inlet
Inlet Thread Location: external single inlet
Outlet Connection Type: threaded 1st outlet
Outlet Location: 1 in. c to c from horizontal centerline 1st outlet
Outlet Projection Length: 1.781 inches nominal 1st outlet1.781 inches nominal
Outlet Thread Size: 1-1/4 - 11-1/2 1st outlet
Outlet Thread Direction: right-hand 1st outlet
Outlet Thread Location: external 1st outlet
Material: steel location not otherwise specified
Surface Treatment: aluminum alloy

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
2990-00-374-3170	No Name Available	01/01/1963
2990-00-740-6926	No Name Available	09/01/1979

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
05077A	Exhaust Muffler
5077	Exhaust Muffler
ABT5077	Exhaust Muffler
C13200E0124	Exhaust Muffler
CFR40336	Exhaust Muffler
T-5077	Exhaust Muffler
T1693H	Exhaust Muffler
T5077A	Exhaust Muffler
WD-41-C	Exhaust Muffler
WD41A	Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-141-9229?

The FSCG of the NSN 2990-00-141-9229 is 2990

Does the NSN 2990-00-141-9229 have a Schedule B code assigned?

Yes, the Schedule B code is 8708925000

Does NSN 2990-00-141-9229 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 2990-00-141-9229 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-141-9229 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 2990-00-141-9229 was assigned to the Federal Catalog?

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