| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-209-1816 (002091816) |
| NCB Code | USA (00) |
| Manufacturer | Tokyo Judogi Kogyo Co, United Technologies Corporation, Gould E A And Co, Navair And Navsea Managed, Federal Specifications |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 448943 | tokyo judogi kogyo co | washer flat | s0554 | RFQ |
| 448943 | united technologies corporation | washer flat | 77445 | RFQ |
| 448943 | gould e a and co | washer flat | 03730 | RFQ |
| 684083 | navair and navsea managed | washer flat | 10001 | RFQ |
| FFW92TYPEAGRADE2CLASSB | federal specifications | washer flat | 81348 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.032 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.375 INCHES NOMINAL |
| MATT | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 316 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 2 GRADE AND B CLASS |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY OD |
| Components Related to NSN - 5310-00-209-1816, 5310002091816 | ||||
| 5306-00-660-3288 (5306006603288) | 5340-01-138-8180 (5340011388180) | 5330-01-323-8411 (5330013238411) | 5360-01-204-0090 (5360012040090) | |
| 5307-00-612-4110 (5307006124110) | 5340-01-482-4141 (5340014824141) | 5310-01-062-0524 (5310010620524) | 5340-01-597-2720 (5340015972720) | |
| 5325-99-120-1207 (5325991201207) | 5315-01-696-7898 (5315016967898) | 5340-01-137-3603 (5340011373603) | 5355-01-379-0440 (5355013790440) | |
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