2990-00-386-2907

Engine Poppet Valve email this page

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Reference images of this national stock number
Reference of NSN 2990-00-386-2907 Reference of NSN 2990-00-386-2907 Reference of NSN 2990-00-386-2907 Reference of NSN 2990-00-386-2907 Reference of NSN 2990-00-386-2907 Reference of NSN 2990-00-386-2907

Model or part number: 1F3474

Pricing & Availability

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About this product
0.095 in. Lg,0.517 in. Dia shoulder on stem 5.750 in. From tip end

Description

Exhaust Engine Valve NSN 2990-00-386-2907.

pdf NSN 2990-00-386-2907 Datasheet

MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.AASK
Head Style:
Flat
MRC:
A measurement from the bottom to the top of the head,in distinction from depth.AASU
Head Height:
0.1540 inches
MRC:
The measurement of the chamfer angle,expressed in degrees.AATE
Chamfer Angle In Deg:
45.0
MRC:
A measurement of the longest dimension of the chamfer,in distinction from width.AAZP
Chamfer Length:
0.0312 inches
MRC:
The length of a straight line which passes through the center of a circular figure or body,and terminates at the outside circumference.ABKV
Outside Diameter:
1.7500 inches
MRC:
The angle of the end surface upon which the mated surface seats,expressed in degrees.AJFY
Seat Angle In Deg:
45.0
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the stem.ALYX
Stem Style:
Double grooved
MRC:
An indication of whether or not a groove for relief of carbon accumulation is included.ALYZ
Carbon Relief Groove:
Not included
MRC:
None.ALZB
Neck Radius:
0.3125 inches
MRC:
A measurement of the longest dimension of a stem,in distinction from width.ALZD
Stem Length:
6.8740 inches
MRC:
None.ALZE
Stem Diameter:
0.3720 inches
MRC:
None.ALZH
Distance From First Groove To Stem End:
0.3700 inches
MRC:
None.ALZJ
Distance From Second Groove To Stem End:
0.5250 inches
MRC:
None.ALZL
First Groove Diameter:
0.3125 inches
MRC:
None.ALZN
Second Groove Diameter:
0.3125 inches
MRC:
None.ALZQ
First Groove Width:
0.0625 inches
MRC:
None.ALZR
Second Groove Width:
0.0625 inches
MRC:
The element,compound,or mixture of which the item is fabricated,excluding any surface treatment,and its location.ANNQ
Material And Location:
Steel
MRC:
--
NIIN:
003862907
MRC:
--
NATO Stock Number:
2990-00-386-2907
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
FIIG:
--
FIIG:
A11200
MRC:
--
INC:
15884
MRC:
--
IMM:
CX AX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

Quality inspections icon

Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

Quality Commitment »

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 2990-00-386-2907

A mushroom or tulip-shaped item having a circular head with a conical face and an extended stem used to regulate the flow of incoming fuel-air mixture or air into the combustion chamber or exhaust gases from the combustion chamber of a reciprocating internal combustion engine.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.8000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
XX
MOP:
32
PKG:
PRES MAT:
10
WRAP MAT:
XX
ICQ:
AAA
THK:
X
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Method of Preservation (MOP) 32

Container, waterproof bag, sealed.

Preservation Material (PRES_MAT) 10

Mil-prf-21260, preservative and break-in lubricating oil, internal combustion engine, grade 10, 30 or 50.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
133300
NMF Description:
Machinery/machines Noi
UFC:
63220
LTL:
Rating variable
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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