The Valve,poppet,engine, cataloged under National Stock Number 2805-00-354-2036, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-354-2036 |
| Primary Part Number | X-638 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Distance From Slot to Stem End | 0.1094 INCHES NOMINAL IN |
| Stem Length | 5.1094 INCHES NOMINAL IN |
| Head Height | 0.1406 INCHES NOMINAL IN |
| Metallic Hardness Rating and Location | 50.0 SHORE SCLEROSCOPE NOMINAL TIP |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 3140 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 3140 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Seat Angle in Deg | 25.0 |
| Outside Diameter | 1.6250 INCHES NOMINAL IN |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Stem Diameter | 0.3730 INCHES NOMINAL IN |
| Chamfer Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.2500 INCHES NOMINAL IN |
| Slot Radius | 0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN |
| Material | STEEL COMP 3140 STEM |
| Slot Length | 0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN |
| Stem Style | SLOTTED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D-728 | Dana Corp Engine Products Div (USA) |
| V-868 | Mcquay-Norris Inc Oem Div an Skf Industries Co |
| X-638 PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| A175117 | Mack Trucks Inc Parts Opn (USA) |
| 5172573 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2BL010 | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 667270 | Sasco Inc Canadian Div |
| 281 | Echlin Inc (USA) |
| A172573 | Mack Trucks Inc Parts Opn (USA) |
| 45814A | Hercules Engine Co Inc (USA) |
| 45814A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| S-701 PRIMARY | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| 353047 | White Motor Corp (USA) |
| 1B9277 | Napco International Llc Dba Napco International Inc (USA) |
| 5-701 | Ertel Mfg Corp (USA) |
NSN 2805-00-354-2036 is a Valve,poppet,engine, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-00-354-2036 has 15 cross-referenced part numbers: D-728 (Dana Corp Engine Products Div), V-868 (Mcquay-Norris Inc Oem Div an Skf Industries Co), X-638 (Federal-Mogul Corp Government Sales Dept), A175117 (Mack Trucks Inc Parts Opn), 5172573 (U S Army Tank Automotive Command Amsta-Im-Mm) and 10 more.
There are 9 known substitutes for 2805-00-354-2036: 5340-00-050-1600, 3455-00-268-9512, 5950-00-449-0130 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for X-638: Distance From Slot to Stem End: 0.1094 INCHES NOMINAL IN; Stem Length: 5.1094 INCHES NOMINAL IN; Head Height: 0.1406 INCHES NOMINAL IN; Metallic Hardness Rating and Location: 50.0 SHORE SCLEROSCOPE NOMINAL TIP. 17 total characteristics are documented in the Federal Logistics Information System.