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) | 00-181-6118 (001816118) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS1401-4-3 | national aerospace standards com | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM |
| ABMW | PERIPHERAL SHAPE STYLE | SQUARE |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.090 INCHES NOMINAL |
| ASDB | WIDTH ACROSS FLATS | 0.510 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | 0.060 IN. RADIUS ALL CORNERS,0.090 IN. RADIUS ONE SIDE OF ONE END OR 45 DEG CHAMFER OPTIONAL |
| MATT | MATERIAL | STEEL OVERALL OR STEEL COMP 1008 OVERALL OR STEEL COMP 1009 OVERALL OR STEEL COMP 1010 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1020 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-S-698 FED SPEC 1ST MATERIAL RESPONSE OVERALL AND QQ-S-698 T2 FED SPEC 2ND MATERIAL RESPONSE OVERALL AND QQ-S-698 T2 FED SPEC 3RD MATERIAL RESPONSE OVERALL AND QQ-S-698 FED SPEC 4TH MAT |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY3,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1401 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5310-00-181-6118, 5310001816118 | ||||
| 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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