The Valve,poppet,engine, cataloged under National Stock Number 2805-00-386-2907, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-386-2907 |
| Primary Part Number | 1F3474 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Stem Style | DOUBLE GROOVED |
| Head Height | 0.1540 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| First Groove Diameter | 0.3125 INCHES NOMINAL IN |
| Stem Diameter | 0.3720 INCHES NOMINAL IN |
| Second Groove Width | 0.0625 INCHES NOMINAL IN |
| Neck Radius | 0.3125 INCHES NOMINAL IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Carbon Relief Groove | NOT INCLUDED |
| Distance From Second Groove to Stem End | 0.5250 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.3700 INCHES NOMINAL IN |
| First Groove Width | 0.0625 INCHES NOMINAL IN |
| Head Style | FLAT |
| Second Groove Diameter | 0.3125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Stem Length | 6.8740 INCHES NOMINAL IN |
| Outside Diameter | 1.7500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-00-386-2907 is a Valve,poppet,engine, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-386-2907 has 5 cross-referenced part numbers: 4819 (Eaton Corp Spring Div), 1F3474 (Caterpillar Inc Div Caterpillar Defense), V1843 (Eaton Corp Dba Eaton Aerospace Jackson), T1843 (Toledo Pickling & Steel Sales), IPD1F3474 (Industrial Parts Depot, Llc Dba Ipd).
There are 6 known substitutes for 2805-00-386-2907: 1377-00-280-0272, 2920-00-342-7795, 5330-00-558-0798 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1F3474: Stem Style: DOUBLE GROOVED; Head Height: 0.1540 INCHES NOMINAL IN; Chamfer Angle in Deg: 45.0; First Groove Diameter: 0.3125 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.