The 253351 is a the manufacturer industrial component. Key specifications include nut_style: ROUND, nut_diameter: 2.668 INCHES MINIMUM AND 2.698 INCHES MAXIMUM IN, nut_thickness: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, overall_width: 4.000 INCHES NOMINAL IN, thread_series: UNS, overall_length: 4.000 INCHES NOMINAL 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 5999-00-128-0320, 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.
| nut_style | ROUND |
| nut_diameter | 2.668 INCHES MINIMUM AND 2.698 INCHES MAXIMUM IN |
| nut_thickness | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| overall_width | 4.000 INCHES NOMINAL IN |
| thread_series | UNS |
| overall_length | 4.000 INCHES NOMINAL IN |
| hardness_rating | 66.0 ROCKWELL B MINIMUM AND 92.0 ROCKWELL B MAXIMUM |
| thread_direction | RIGHT-HAND |
| drive_point_depth | 0.094 INCHES NOMINAL IN |
| drive_point_width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| nominal_thread_size | 1.967 INCHES IN |
| drive_point_quantity | 4 |
| NSN | 5999-00-128-0320 |
| OVERALL LENGTH | 4.000 INCHES NOMINAL IN |
| OVERALL WIDTH | 4.000 INCHES NOMINAL IN |
| SPECIAL FEATURES | BODY THICKNESS:0.562 IN.NOM;DESIGN TYPE:REUSABLE;FILTERING MEDIA DESIGN:HONEY COMB;MATERIAL AND DOCUMENT:FILTERING MEDIUM,ALUMINUM ALLOY MIL-C-5541,CLASS 1A;FRAME,ALUMINUM ALLOY QQ-A-200/9,ALLOY 6063-T1;SEAL,STEEL ALLOY ASTM B-520 AND RUBBER CHOROPRENE MIL-R-6130,TYPE 2,GRADE A,COND MEDIUM;SURFACE TREATMENT AND DOCUMENT:FILTERING MEDIUM,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A;FRAME,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A;SEAL,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A A |
| OVERALL LENGTH | 4.000 INCHES NOMINAL IN |
| OVERALL WIDTH | 4.000 INCHES NOMINAL IN |
| SPECIAL FEATURES | BODY THICKNESS:0.562 IN.NOM;DESIGN TYPE:REUSABLE;FILTERING MEDIA DESIGN:HONEY COMB;MATERIAL AND DOCUMENT:FILTERING MEDIUM,ALUMINUM ALLOY MIL-C-5541,CLASS 1A;FRAME,ALUMINUM ALLOY QQ-A-200/9,ALLOY 6063-T1;SEAL,STEEL ALLOY ASTM B-520 AND RUBBER CHOROPRENE MIL-R-6130,TYPE 2,GRADE A,COND MEDIUM;SURFACE TREATMENT AND DOCUMENT:FILTERING MEDIUM,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A;FRAME,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A;SEAL,CHROMATE MIL-C-5541,CLASS 1A OR TIN PLATED MIL-T-10727,TYPE 1 OR CADMIUM PLATED QQ-P-416,TYPE 2,CLASS 2 OR NICKEL PLATED MIL-C-26074A A |