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 |
|---|---|---|---|
| FFW92TYPEAGRADE2CLASSB | federal specifications | washer flat | RFQ |
| FFW92TYPEAGRADE1CLASSB | 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 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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