AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-550-0286 (005500286) |
| NCB Code | USA (00) |
| Manufacturer | Ambac International Corporation, Illinois Tool Works Inc, Military Standards Corp, Itw Shakeproof Automotive Products, Caterpillar Inc, Nimikkeistokeskus Ncb Finland, Eca Etablissement Central Des |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| WA23-4 | ambac international corporation | washer lock | RFQ |
| 1508-00 | illinois tool works inc | washer lock | RFQ |
| MS35336-15 | military standards corp | washer lock | RFQ |
| PT1508 | itw shakeproof automotive products | washer lock | RFQ |
| 9F5602 | caterpillar inc | washer lock | RFQ |
| 10387604 | nimikkeistokeskus ncb finland | washer lock | RFQ |
| 5310005500286 | eca etablissement central des | washer lock | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.167 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.322 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.017 INCHES MINIMUM AND 0.021 INCHES MAXIMUM |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1050 OVERALL OR STEEL COMP 1551 OVERALL OR STEEL COMP 1552 OVERALL OR STEEL COMP 1053 OVERALL OR STEEL COMP 1055 OVERALL OR STEEL COMP 1059 OVERALL OR STEEL COMP 1060 OVERALL OR STEEL COMP 1561 OVERALL OR STEEL COMP 1064 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | COUNTERSINK EXTERNAL TEETH |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE AND 1 STYLE AND A GRADE AND 1 COMPOSITION |
| Relevant Components for NSN - 5310-00-550-0286, 5310005500286 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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