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NSN 4LR18PC44

Engine Poppet Valve

An item consisting of an inductance and a resistance normally in parallel. The inductance is usually wound around the resistor. Half of the turns may be wound to inductively oppose the other half. It is designed to be inserted in the circuit of a radio frequency stage to suppress high frequency parasitic oscillations. For items designed to widen the band width, or amplify a portion of the band in an amplifier circuit, see coil, radio frequency.

not included carbon relief groove, 0.0312 inches nominal chamfer length, 45.0 chamfer angle in deg, 0.4850 inches minimum and 0.5050 inches maximum distance from groove to stem end, diesel engine fsc application data.

NSN 2815-00-288-3639 Datasheet

(NSN) National Stock Number
2815-00-288-3639
(FSG) Federal Supply Group
28 - Engines, Turbines, and Components
(FSC) Federal Supply Classification
2815 - Diesel Engines and Components
(NIIN) National Item Identification Number
00-288-3639
Requires Demilitarization
Yes
(INC) Item Name Code
15884
Date
Sun, Jan 1, 1961
Schedule B Code
8409998000
Carbon Relief Groove
not included
Chamfer Angle In Deg
45.0
Chamfer Length
0.0312 inches nominal
Distance From Groove To Stem End
0.4850 inches minimum and 0.5050 inches maximum
Fsc Application Data
diesel engine
Groove Diameter
0.3290 inches minimum and 0.3350 inches maximum
Groove Width
0.0950 inches minimum and 0.1050 inches maximum
Head Height
0.1719 inches nominal
Head Style
flat
Metallic Hardness Rating And Location
36.0 rockwell c minimum stem
Metallic Hardness Rating And Location
43.0 rockwell c maximum stem
Neck Radius
0.3750 inches nominal
Outside Diameter
1.5000 inches nominal
Seat Angle In Deg
45.0
Stem Diameter
0.3720 inches minimum and 0.3730 inches maximum
Stem Length
5.8281 inches nominal
Stem Style
grooved

Identification

Demilitarization Code
A - 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.
Precious Metals Indicator
U - Precious metal content is unknown
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Pseudo Item Name Code
0015884

Cross Reference

CAGE Codes

55380
Hatch & Kirk, Inc.
U.s./canadian manufacturers
98034
Berry-Hill Corp
U.s./canadian manufacturers
53711
Naval Sea Systems Command
U.s./canadian manufacturers
80064
Naval Ship Systems Command
U.s./canadian manufacturers

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
National Motor Freight Class Rating
W - Rating variable
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
29300
Water Commodity
593 - Motors and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
051080

Schedule B & Trade

Schedule B
8409-99-8000
Description
parts for compression-ignition internal combustion piston engines (diesel), nesoi
End Use
21100 - Industrial engines
Unit of Quantity
KG
USDA
Yes
(SITC) Standard International Trade Classification
71392
(NAICS) North American Industrial Classification System
333618

Questions & Answers

  1. What is the FSCG of the NSN 2815-00-288-3639?

    The FSCG of the NSN 2815-00-288-3639 is 2815

  2. Does the NSN 2815-00-288-3639 have a Schedule B code assigned?

    Yes, the Schedule B code is 8409998000

  3. Does NSN 2815-00-288-3639 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.

  4. Does NSN 2815-00-288-3639 contain precious materials?

    Precious metal content is unknown

  5. Does NSN 2815-00-288-3639 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.

  6. When the NSN 2815-00-288-3639 was assigned to the Federal Catalog?

    It was assigned 65 years ago, on Sun, Jan 1, 1961

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