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) | 00-187-4128 (001874128) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FFW92TYPEAGRADE1CLASSB | federal specifications | washer flat | RFQ |
| FFW92TYPEAGRADE2CLASSB | federal specifications | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.375 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.067 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.875 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 94.0 ROCKWELL B MAXIMUM |
| MATT | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 430 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 2 GRADE AND B CLASS |
| Relevant Components for NSN - 5310-00-187-4128, 5310001874128 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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