IPD1F3474

View detailed technical data, stock status, and sourcing information for: IPD1F3474
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Federal Supply Group

Engine Accessories

Federal Supply Classification

2990 Nonaircraft Miscellaneous Engine Accessories

National Stock Number

2990-00-386-2907

Item Name Code

15884

Assigment Date

01/01/1963 (63 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

1.7500 inches nominal outside diameter, flat head style, 0.1540 inches nominal head height, 45.0 chamfer angle in deg, 0.0312 inches nominal chamfer length

Product Characteristics

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

Head Style: flat
Head Height: 0.1540 inches nominal
Chamfer Angle In Deg: 45.0
Chamfer Length: 0.0312 inches nominal
Outside Diameter: 1.7500 inches nominal
Seat Angle In Deg: 45.0
Stem Style: double grooved
Carbon Relief Groove: not included
Neck Radius: 0.3125 inches nominal
Stem Length: 6.8740 inches nominal
Stem Diameter: 0.3720 inches nominal
Distance From First Groove To Stem End: 0.3700 inches nominal
Distance From Second Groove To Stem End: 0.5250 inches nominal
First Groove Diameter: 0.3125 inches nominal
Second Groove Diameter: 0.3125 inches nominal
First Groove Width: 0.0625 inches nominal
Second Groove Width: 0.0625 inches nominal
Material And Location: unable to decode
Special Features: 0.095 in. lg,0.517 in. dia shoulder on stem 5.750 in. from tip end

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
1F3474	Engine Poppet Valve
IPD1F3474	Engine Poppet Valve
T1843	Engine Poppet Valve
V1843	Engine Poppet Valve

FAQs

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

What is the FSCG of the NSN 2990-00-386-2907?

The FSCG of the NSN 2990-00-386-2907 is 2990

Does NSN 2990-00-386-2907 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 2990-00-386-2907 contain precious materials?

Precious metal content is unknown

Does NSN 2990-00-386-2907 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 2990-00-386-2907 was assigned to the Federal Catalog?

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