HD3

View detailed technical data, stock status, and sourcing information for: HD3

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 HD3 to receive an up to date pricing and availability quote by email.

HD3
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-471-8606
Item Name Code
10849
Assigment Date
01/13/1971 (55 years ago)

A gearshaft with a single complement of spur gear teeth. For items with more than one complement of teeth, see gearshaft (1), multiple gears.

30.500 inches nominal overall length, unthreaded single inlet inlet connection type, 6.000 inches nominal overall diameter, dry design type, 2.000 inches nominal 1st outlet2.000 inches nominal outlet inside diameter

Product Characteristics

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

Overall Length
30.500 inches nominal
Inlet Connection Type
unthreaded single inlet
Overall Diameter
6.000 inches nominal
Outlet Inside Diameter
2.000 inches nominal 1st outlet2.000 inches nominal
Design Type
dry
Coolant Type
air
Muffler Design
multipass
Tube Quantity
3
Body Shape
round
Operating Position
horizontal
Inlet Location
offset fromcenter ofend of body single inlet
Inlet Projection Length
3.250 inches nominal single inlet3.250 inches nominal
Inlet Inside Diameter
2.000 inches nominal single inlet2.000 inches nominal
Outlet Connection Type
unthreaded 1st outlet
Outlet Location
offsetfrom center ofend of body 1st outlet
Outlet Projection Length
3.250 inches nominal 1st outlet3.250 inches nominal
Outlet Outside Diameter
2.125 inches nominal 1st outlet2.125 inches nominal
Material
steel location not otherwise specified
Surface Treatment
aluminum alloy

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
21169 Exhaust Muffler
3954016 Exhaust Muffler
86136-M Exhaust Muffler
HD3 Exhaust Muffler
T-86136 Exhaust Muffler

FAQs

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

What is the FSCG of the NSN 2990-00-471-8606?
The FSCG of the NSN 2990-00-471-8606 is 2990
Does the NSN 2990-00-471-8606 have a Schedule B code assigned?
Yes, the Schedule B code is 8708925000
Does NSN 2990-00-471-8606 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 2990-00-471-8606 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-471-8606 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 2990-00-471-8606 was assigned to the Federal Catalog?
It was assigned 55 years ago, on Wed, Jan 13, 1971

Professional Distribution

Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.

  • ITAR Registered
  • DDTC Registered
  • HAZMAT Certified
  • AS9120 Quality Standards
  • 100% Quality Inspections

You May Also Like

Browse other in-demand NSN parts sourced by professionals in defense, aerospace, and manufacturing sectors. Each component meets strict standards for quality and performance.

Pricing

Submit your request below and our team will respond quickly with up-to-date pricing, delivery estimates, and stock information:

ITAR Registered

Featured Parts

Explore our most requested parts, carefully selected based on customer demand and sourcing activity. Each listing provides current specifications, availability status, and item condition:

49548
3110-00-293-9302
Annular Ball Bearing
4954876
2590-01-628-9217
Vehicular Components Cover
4954877
3040-01-606-2461
Mechanical Drive Housing
4954878
3020-01-628-9215
Spur Gear
495488
5306-00-939-9658
Eccentric Head Bolt
4954880
4320-01-622-2979
Rotary Pump
495489
2840-00-928-0017
Gearbox Seat
49549
3110-00-100-0697
Tapered Roller Cone and Rollers
49549-9
4820-01-550-0143
Gate Valve
4954905
6685-01-535-4250
Electric Temperature Transmitter
495490500
2990-01-663-2726
Engine Coolant Temperatur Sensor
4954907NX
2910-01-671-6528
Metering and Distribut Fuel Pump
495490P3
3120-00-914-1341
Sleeve Bushing
495490P5
3120-00-924-3065
Sleeve Bushing
495492
5365-00-919-6890
Diffuser Bearing Ring