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B258312

Engine Poppet Valve

Model / MPN: B258312 | NSN: 2805-00-350-4970

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.

Product Details

NATO Stock Number

2805-00-350-4970

Sold in multiples of

DEMIL

Head Style

Concave

Head Height

Between 0.1700 inches and 0.1900 inches

Chamfer Angle In Deg

45.0

Groove Diameter

Between 0.3740 inches and 0.3760 inches

Chamfer Length

Between 0.0050 inches and 0.0100 inches

Groove Width

Between 0.3150 inches and 0.3250 inches

Outside Diameter

Between 2.0970 inches and 2.1030 inches

Seat Angle In Deg

92.0

Stem Style

Grooved

Carbon Relief Groove

Not included

Neck Radius

0.8200 inches

Stem Length

Between 5.3925 inches and 5.4785 inches

Stem Diameter

Between 0.4220 inches and 0.4260 inches

Distance From Groove To Stem End

0.1810 inches

Material And Location

Steel, federal standard 66, sae ev3 head

Material And Location

Steel, federal standard 66, sae hnv3 stem

Material And Location

Steel, federal standard 66, sae ev3 seat face

Material And Location

Steel, federal standard 66, sae ev3 tip

B2583 Series Parts

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
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B258312 Cross Reference

GG6505
GG6505A1
GG6505A2
GG505A
6505A2
4845
A296499
6505A2
GG505A
GG6505
GG6505A1
GG6505A2