AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-579-1988 (005791988) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Diehl Defence Gmbh And Co Kg, Nimikkeistokeskus Ncb Finland, Allied Devices Corp, Eldec Corporation, Roller Bearing Company Of America |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 1650407-2 | lockheed martin corporation | washer flat | RFQ |
| 555-00-000000052 | diehl defence gmbh and co kg | washer flat | RFQ |
| 10121522 | nimikkeistokeskus ncb finland | washer flat | RFQ |
| DB4D2 | allied devices corp | washer flat | RFQ |
| PR45-34 | eldec corporation | washer flat | RFQ |
| B4-2 | roller bearing company of america | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.004 INCHES MINIMUM AND 0.008 INCHES MAXIMUM |
| ADAV | OVERALL DIAMETER | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 303SE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL OR ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-579-1988, 5310005791988 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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