| Item Name | Washer Flat |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-217-1994 (002171994) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Northrop Grumman Systems Corporation, Boeing Company The, Burton Medical Products Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 12M3570-17 | lockheed martin corporation | washer flat | 81755 | RFQ |
| 210915 | lockheed martin corporation | washer flat | 56232 | RFQ |
| 210915 | northrop grumman systems corporation | washer flat | 03956 | RFQ |
| 2W1C25-22-32 | boeing company the | washer flat | 43999 | RFQ |
| 328667 | northrop grumman systems corporation | washer flat | 03956 | RFQ |
| 328667 | lockheed martin corporation | washer flat | 56232 | RFQ |
| S107-4 | burton medical products corporation | washer flat | 26126 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.032 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.672 INCHES MINIMUM AND 0.703 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 94.0 ROCKWELL C NOMINAL |
| MATT | MATERIAL | STEEL COMP 302 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| Components Related to NSN - 5310-00-217-1994, 5310002171994 | ||||
| 5305-00-058-8627 (5305000588627) | 5305-01-464-0977 (5305014640977) | 5310-01-004-6958 (5310010046958) | 5315-01-470-7865 (5315014707865) | |
| 5340-00-015-2268 (5340000152268) | 5305-00-841-3941 (5305008413941) | 5320-00-205-9596 (5320002059596) | 5340-01-656-4589 (5340016564589) | |
| 5330-00-947-5111 (5330009475111) | 5365-01-569-6583 (5365015696583) | 5340-01-514-2291 (5340015142291) | 5315-01-532-4171 (5315015324171) | |
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