740285-4: RING,PISTON.
The RING,PISTON is a the manufacturer industrial component. Key specifications include head_style: FILLISTER, head_height: 0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, thread_length: 0.312 INCHES NOMINAL IN, fastener_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.
Government catalog under NSN 2805-00-182-3011, 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.
| head_style | FILLISTER |
| head_height | 0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| thread_class | 2A A |
| head_diameter | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| thread_length | 0.312 INCHES NOMINAL IN |
| screw_material | STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 |
| fastener_length | 0.875 INCHES NOMINAL IN |
| thread_direction | RIGHT-HAND |
| features_provided | LOCK WASHER |
| internal_drive_style | SLOT |
| nominal_thread_diameter | 0.164 INCHES IN |
| screw_surface_treatment | DICHROMATE ZINC |
| NSN | 2805-00-182-3011 |
| OVERALL WIDTH | 0.1160 INCHES MINIMUM AND 0.1210 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | K30C POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | PLAIN RECTANGULAR, STRAIGHT FACE |
| JOINT STYLE | VERTICAL JOINT |
| RADIAL WALL THICKNESS | 0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN |
| RING STYLE | CONCENTRIC |
| STANDARD BORE DIAMETER | 1.593 INCHES IN |
| MATERIAL | PLASTIC POLYAMIDE NYLON OVERALL |
No substitute or cross-reference records for this part.