The Valve,poppet,engine, cataloged under National Stock Number 2815-00-097-1851, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-00-097-1851 |
| Primary Part Number | F-4960 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Cooper Machinery Services Llc |
| Status | CANCELLED |
| Stem Length | 11.9510 INCHES NOMINAL IN |
| First Groove Diameter | 0.6240 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.5860 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Material | STEEL STEM |
| Material | STEEL CORROSION RESISTING HEAD |
| Stem Diameter | 0.7480 INCHES NOMINAL IN |
| Neck Radius | 0.9688 INCHES NOMINAL IN |
| Chamfer Length | 0.1625 INCHES NOMINAL IN |
| Head Height | 0.4240 INCHES NOMINAL IN |
| Carbon Relief Groove | NOT INCLUDED |
| Second Groove Width | 0.0625 INCHES NOMINAL IN |
| Head Style | FLAT |
| First Groove Width | 0.5540 INCHES NOMINAL IN |
| Distance From Second Groove to Stem End | 1.6890 INCHES NOMINAL IN |
| Stem Style | DOUBLE GROOVED |
| Second Groove Diameter | 0.6140 INCHES NOMINAL IN |
| Outside Diameter | 3.1875 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 2815-00-097-1851 is a Valve,poppet,engine, manufactured by Cooper Machinery Services Llc, classified under FSC 2815 (No Item Name Available). Status: cancelled.
NSN 2815-00-097-1851 has 2 cross-referenced part numbers: F4960 (Cooper Cameron Corp Ajax-Superior Div), F-4960 (Cooper Machinery Services Llc).
There is 1 known substitute for 2815-00-097-1851: 4720-00-580-7470. Verify interchangeability with system specifications before substitution.
Key specifications for F-4960: Stem Length: 11.9510 INCHES NOMINAL IN; First Groove Diameter: 0.6240 INCHES NOMINAL IN; Distance From First Groove to Stem End: 0.5860 INCHES NOMINAL IN; Seat Angle in Deg: 45.0. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 2815-00-097-1851 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.