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) | 00-131-7043 (001317043) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Federal Specifications, Rockwell Collins Aerospace, Aeronautical Standards Group, Eca Etablissement Central Des, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AN961-4T | national aerospace standards com | washer flat | RFQ |
| FFW92 | federal specifications | washer flat | RFQ |
| 310-0751-010 | rockwell collins aerospace | washer flat | RFQ |
| AN961-4T | aeronautical standards group | washer flat | RFQ |
| 5310001317043 | eca etablissement central des | washer flat | RFQ |
| MS45901-1 | military standards corp | washer flat | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| AAUB | HOLE DIAMETER | 0.125 INCHES NOMINAL |
| ABMW | PERIPHERAL SHAPE STYLE | ROUND |
| ABMX | CENTER HOLE SHAPE STYLE | ROUND |
| ABNM | THICKNESS | 0.032 INCHES NOMINAL |
| ADAV | OVERALL DIAMETER | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM |
| MATT | MATERIAL | COPPER ALLOY 268 OVERALL OR COPPER ALLOY 270 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-626,1/2 H FED SPEC 1ST MATERIAL RESPONSE OVERALL OR QQ-W-321,1/2 H FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | TIN OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-T-10727,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE AND 1 GRADE AND F CLASS AND E CLASS |
| Relevant Components for NSN - 5310-00-131-7043, 5310001317043 | ||||
| 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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