The Valve,poppet,engine, cataloged under National Stock Number 2805-00-734-6482, 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 Renk America Llc Div Renk America. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-734-6482 |
| Primary Part Number | 517458 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Stem Diameter | 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN |
| Head Height | 0.2650 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN |
| Stem Length | 6.6260 INCHES MINIMUM AND 6.6410 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0300 INCHES NOMINAL IN |
| Neck Radius | 1.0000 INCHES NOMINAL IN |
| Groove Diameter | 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MAXIMUM STEM |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MINIMUM HEAD |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MINIMUM SEAT FACE |
| Metallic Hardness Rating and Location | 35.0 ROCKWELL C MINIMUM STEM |
| Metallic Hardness Rating and Location | 44.0 ROCKWELL C NOMINAL TIP |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MAXIMUM HEAD |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MAXIMUM SEAT FACE |
| Distance From Groove to Stem End | 0.2510 INCHES MINIMUM AND 0.2560 INCHES MAXIMUM IN |
| Outside Diameter | 2.7450 INCHES MINIMUM AND 2.7550 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | CONCAVE |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.1560 INCHES MINIMUM AND 0.1660 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 |
NSN 2805-00-734-6482 is a Valve,poppet,engine, manufactured by Renk America Llc Div Renk America, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-734-6482 has 2 manufacturer part numbers on file: 517458 (Renk America Llc Div Renk America), 7346482 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 517458: Stem Diameter: 0.4975 INCHES MINIMUM AND 0.4980 INCHES MAXIMUM IN; Head Height: 0.2650 INCHES MINIMUM AND 0.2750 INCHES MAXIMUM IN; Stem Length: 6.6260 INCHES MINIMUM AND 6.6410 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0. 21 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.