NSN 2805-00-520-2421 · NIIN 005202421 · FSC 2805
NO DASHES 2805005202421
In Stock
VALVE,POPPET,ENGINE
Gasoline Reciprocating Engines, Except Aircraft; and Components
Technical characteristics
18 rows
Straight from the federal item record. Entries the record leaves empty are shown empty — nothing is filled in on its behalf.
| MRC | Requirement | Value |
|---|---|---|
| ABFF | FURNISHED ITEMS | CARBON RELIEF GROOVE |
| AAZP | CHAMFER LENGTH | INCHES NOMINAL 0.0312 |
| AAVZ | GROOVE DIAMETER | INCHES MINIMUM 0.2670 AND INCHES MAXIMUM 0.2730 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.1875 AND INCHES MAXIMUM 0.2025 |
| AATE | CHAMFER ANGLE IN DEG | 45.0 |
| AASK | HEAD STYLE | |
| ALZG | DISTANCE FROM GROOVE TO STEM END | INCHES MINIMUM 0.2400 AND INCHES MAXIMUM 0.2500 |
| AETC | METALLIC HARDNESS RATING | SEAT FACE MINIMUM ROCKWELL C 28. AND MAXIMUM ROCKWELL C 35.0 |
| ALZB | NECK RADIUS | INCHES NOMINAL 0.2500 |
| ALZD | STEM LENGTH | INCHES NOMINAL 4.1010 |
| ALZE | STEM DIAMETER | INCHES MINIMUM 0.3080 AND INCHES MAXIMUM 0.3090 |
| AETC | METALLIC HARDNESS RATING | STEM MINIMUM ROCKWELL C 28.0 AND MAXIMUM ROCKWELL C 35.0 |
| AETC | METALLIC HARDNESS RATING | TIP NOMINAL SHORE SCLEROSCOPE 50.0 |
| AJFY | SEAT ANGLE IN DEG | 7.0 |
| ALYX | STEM STYLE | |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.3090 AND INCHES MAXIMUM 1.3700 |
| ABGF | GROOVE WIDTH | INCHES MINIMUM 0.0950 AND INCHES MAXIMUM 0.1050 |
| AETC | METALLIC HARDNESS RATING | HEAD MINIMUM ROCKWELL C 28.0 AND MAXIMUM ROCKWELL C 35.0 |
Cross-references
2 manufacturer part numbers on file for this NSN — each shown against the CAGE code it belongs to.
Supersedes
This item replaces cancelled NIIN 004479115. An older drawing citing one of those numbers resolves here.