B338 Universal Ceiling‑mount Bracket the ceiling. It is suitable for use with many detector types. The vertical swivel range is +7° to -16°, while the horizontal swivel range is ±45°.
Key specifications include material: STEEL CORROSION RESISTING, construction: ONE-PIECE, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS, outside_diameter: 0.310 INCHES NOMINAL IN, special_features: CLEANING BRUSH FOR.338 CAL.. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-203-3670, 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 CORROSION RESISTING |
| construction | ONE-PIECE |
| connection_type | THREADED INTERNAL PIPE ALL ENDS |
| connection_style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| outside_diameter | 0.310 INCHES NOMINAL IN |
| special_features | CLEANING BRUSH FOR.338 CAL. |
| style_designator | CIRCULAR |
| thread_direction | RIGHT-HAND ALL ENDS |
| aperture_diameter | 0.206 INCHES NOMINAL IN |
| mounting_position | HORIZONTAL |
| surface_treatment | PASSIVATE |
| operating_pressure | 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| NSN | 4820-00-203-3670 |
| STYLE DESIGNATOR | STRAIGHT THRU |
| CONNECTION STYLE | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| MEDIA FOR WHICH DESIGNED | STEAM FIRST RESPONSE |
| NOMINAL THREAD SIZE | 1.000 INCHES ALL ENDS IN |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SECOND RESPONSE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-16 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |