The Valve,poppet,engine, cataloged under National Stock Number 2805-00-524-9321, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-524-9321 |
| Primary Part Number | X-525 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Second Groove Width | 0.0625 INCHES NOMINAL IN |
| Carbon Relief Groove | INCLUDED |
| Stem Style | DOUBLE GROOVED |
| Head Style | MUSHROOM |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance From Second Groove to Stem End | 0.3700 INCHES NOMINAL IN |
| Stem Length | 4.3125 INCHES NOMINAL IN |
| Stem Diameter | 0.3105 INCHES NOMINAL IN |
| Outside Diameter | 1.3500 INCHES NOMINAL IN |
| First Groove Diameter | 0.2470 INCHES NOMINAL IN |
| Distance From First Groove to Stem End | 0.2150 INCHES NOMINAL IN |
| Head Height | 0.2290 INCHES NOMINAL IN |
| Second Groove Diameter | 0.2470 INCHES NOMINAL IN |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Neck Radius | 0.2812 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 30.0 |
| First Groove Width | 0.0625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 48835 | Hyster-Yale Group, Inc. (USA) |
| D-898 | Dana Corp Engine Products Div (USA) |
| 867 | Echlin Inc (USA) |
| X-525 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| S-960 PRIMARY | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 68136 | Dresser, Llc (USA) |
| S-960 | Ertel Mfg Corp (USA) |
NSN 2805-00-524-9321 is a Valve,poppet,engine, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-524-9321 has 7 cross-referenced part numbers: 48835 (Hyster-Yale Group, Inc.), D-898 (Dana Corp Engine Products Div), 867 (Echlin Inc), X-525 (Federal-Mogul Corp Government Sales Dept), S-960 (Eaton Corp Dba Eaton Aerospace Jackson) and 2 more.
There are 12 known substitutes for 2805-00-524-9321: 6625-00-120-1063, 5120-00-133-1785, 5975-00-141-0541 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for X-525: Second Groove Width: 0.0625 INCHES NOMINAL IN; Carbon Relief Groove: INCLUDED; Stem Style: DOUBLE GROOVED; Head Style: MUSHROOM. 18 total characteristics are documented in the Federal Logistics Information System.