The Valve,poppet,engine, cataloged under National Stock Number 2805-00-360-4512, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Am General Llc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 14 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-360-4512 |
| Primary Part Number | 637182 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Stem Diameter | 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN |
| FSC Application Data | GASOLINE ENGINE |
| Head Height | 0.1560 INCHES NOMINAL IN |
| Stem Length | 5.6406 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.3120 INCHES NOMINAL IN |
| Groove Diameter | 0.2480 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 52.0 ROCKWELL C MINIMUM TIP |
| Distance From Groove to Stem End | 0.1875 INCHES NOMINAL IN |
| Outside Diameter | 1.5310 INCHES NOMINAL IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.3105 INCHES MINIMUM AND 0.3109 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7036579 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 637182 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| I-122 | 5/9 Secondary reference Gould Inc Clevite Engine Parts Div |
| GPW6057 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| V729 | 5/9 Secondary reference Dana Corp Engine Products Div |
| GPW6507 | 5/9 Secondary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| T69 | 5/9 Secondary reference Toledo Pickling & Steel Sales |
| V918N | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| A365 | 5/9 Secondary reference Sterling Div Federal Mogul Corp |
| VI341 | C/1 Advisory reference — outside the item-of-supply concept Bosch Automotive Service Solutions Inc. |
| VI341 | 5/9 Secondary reference Spx Corp |
| 637182 | 5/9 Secondary reference Marine Engine Specialties Div of Mesco Tectonics Inc |
| 716 | 5/9 Secondary reference U.S. Government activity |
| V804 | 5/9 Secondary reference U.S. Government activity |
| 716 | 5/9 Secondary reference Napasco International Inc |
| A365 | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-360-4512 is a Valve,poppet,engine, manufactured by Am General Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-360-4512 has 2 manufacturer part numbers on file: 7036579 (U S Army Tank Automotive Command Amsta-Im-Mm), 637182 (Am General Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5315-00-812-6226, 5975-00-852-4813. Verify interchangeability with system specifications before substitution.
Key specifications for 637182: Stem Diameter: 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE; Head Height: 0.1560 INCHES NOMINAL IN; Stem Length: 5.6406 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.