The WASHER,FLAT is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, surface_treatment: PHOSPHATE OVERALL, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, end_item_identification: MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM, cross-sectional_shape_style: RECTANGULAR. This product is currently in active production with full OEM support.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-244-8937, 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 OVERALL |
| surface_treatment | PHOSPHATE OVERALL |
| peripheral_shape_style | ROUND |
| center_hole_shape_style | ROUND |
| end_item_identification | MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM |
| cross-sectional_shape_style | RECTANGULAR |
| part_name_assigned_by_controlling_agency | WASHER,LOCK .344X.688X.089 PHC |
| NSN | 5310-01-244-8937 |
| SPECIAL FEATURES | 5/16" HARDENED WASHER, .344 NOM ID, .688 NOM OD, .089 NOM THICKNESS. STEEL 1040 TO 1065 PER CEMS A-0, PART 1, QUENCHED AND TEMPERED TO RE36 TO 42. THESE WASHERS ARE INTENDED FOR USE IN HIGH CLAMPING LOADS, TO MINIMIZE EMBEDDING, AND TO AID TORQUING. |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASHER,LOCK .344X.688X.089 PHC |
| END ITEM IDENTIFICATION | MRAP - COMMON NSN - USED ON MAXXPRO CAT I AND 1 OTHER WEAPON SYSTEM |
| MATERIAL | STEEL OVERALL |
| PERIPHERAL SHAPE STYLE | ROUND |
| CENTER HOLE SHAPE STYLE | ROUND |