427135: WASHER,FLAT.
The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, hardness_rating: 47.0 ROCKWELL C NOMINAL, overall_diameter: 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.
Government catalog under NSN 5310-00-281-5346, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL COMP 302 OVERALL |
| thickness | 0.032 INCHES NOMINAL IN |
| hole_diameter | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| hardness_rating | 47.0 ROCKWELL C NOMINAL |
| overall_diameter | 0.290 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN |
| surface_treatment | PASSIVATE OVERALL |
| peripheral_shape_style | ROUND |
| center_hole_shape_style | ROUND |
| cross-sectional_shape_style | RECTANGULAR |
| material_document_and_classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5310-00-281-5346 |
| WIDTH ACROSS FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325 TY 1 CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| THREAD SERIES | UNIFIED NATIONAL COARSE (UNC) |
| THREAD DIRECTION | RIGHT-HAND |
| NOMINAL THREAD SIZE | 0.500 INCHES IN |
| NUT HEIGHT | 0.552 INCHES MINIMUM AND 0.573 INCHES MAXIMUM IN |
| SURFACE TREATMENT | CADMIUM OR ZINC OVERALL |
| NUT STYLE | CASTELLATED, HEXAGON |
| THREAD CLASS | 2B |
| THREAD QUANTITY PER INCH | 13 |
No substitute or cross-reference records for this part.