The WRITE PROTECT ASSEMBLY is a Legrand industrial component. Key specifications include width: 4.016 INCHES NOMINAL IN, material: PLASTIC PHENOLIC HOUSING, case_style: SQUARE, drive_type: DIRECT, head_style: FLAT COUNTERSUNK, seal_width: 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-1644, 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.
| width | 4.016 INCHES NOMINAL IN |
| material | PLASTIC PHENOLIC HOUSING |
| case_style | SQUARE |
| drive_type | DIRECT |
| head_style | FLAT COUNTERSUNK |
| seal_width | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| thread_class | 2A A |
| air_flow_rate | 10.9 CUBIC FEET PER MINUTE NOMINAL |
| head_diameter | 0.207 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN |
| thread_length | 0.120 INCHES MINIMUM IN |
| inclosure_type | FULLY INCLOSED |
| stage_quantity | 1 |
| NSN | 5330-00-291-1644 |
| HOUSING BORE DIAMETER | 3.251 INCHES NOMINAL IN |
| ACCOMMODATED SHAFT MAXIMUM RATED SPEED | 2000 FEET PER MINUTE FT |
| SEALING ELEMENT STYLE | ANGULAR |
| MATERIAL | LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT |
| CASE STYLE | SQUARE |
| SEAL WIDTH | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| ACCOMMODATED SHAFT DIAMETER | 2.062 INCHES NOMINAL IN |