The CUP,TAPERED ROLLER BEARING is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: STEEL CORROSION RESISTING OVERALL, blade_width: 1.250 INCHES NOMINAL IN, blade_length: 5.500 INCHES NOMINAL IN, special_features: STEINER-AUVARD WEIGHTED, SLIGHTLY CURVED BLADE 2.5 LBS (1136 G); REUSABLE LBS, weighted_feature: PROVIDED, part_name_assigned_by_controlling_agency: SPECULUM VAGINAL STEINER-AUVARD MILTEX WEIGHTED 2.5 LBS SLIGHTLY CURVED BLADE STAINLESS STEEL EA LBS. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-386-5249, 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 OVERALL |
| blade_width | 1.250 INCHES NOMINAL IN |
| blade_length | 5.500 INCHES NOMINAL IN |
| blade_quantity | 1 |
| special_features | STEINER-AUVARD WEIGHTED, SLIGHTLY CURVED BLADE 2.5 LBS (1136 G); REUSABLE LBS |
| weighted_feature | PROVIDED |
| part_name_assigned_by_controlling_agency | SPECULUM VAGINAL STEINER-AUVARD MILTEX WEIGHTED 2.5 LBS SLIGHTLY CURVED BLADE STAINLESS STEEL EA LBS |
| NSN | 5305-01-386-5249 |
| THREAD LENGTH | 0.500 INCHES MAXIMUM IN |
| WIDTH BETWEEN FLATS | 0.1094 INCHES MINIMUM AND 0.1111 INCHES MAXIMUM IN |
| THREAD SERIES DESIGNATOR | UNRF |
| SPECIAL FEATURES | THIS ITEM IS FLIGHT SAFETY CRITICAL. THREAD IS SAFETY CRITICAL, UNIFIED FORM SPECIAL PER FED-STD-H28/2, DIMENSIONS PER DRAWING 02269. APPLY ONE COAT OF MIL-P-23377, TY 1, CL 1 OR 3 AND TWO TOP COATS OF MIL-C-46168, COLOR CODE 33538 PER FED-STD-595 TO TOP OF HEAD. |
| SCREW MATERIAL | STEEL UNS K03104 |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES |
| THREAD QUANTITY PER INCH | 40 |
| NOMINAL THREAD DIAMETER | 0.138 INCHES IN |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE |
| CRITICALITY CODE JUSTIFICATION | FEAT |