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| Item Name | Washer Lock |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-402-4209 (004024209) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.255 INCHES MINIMUM AND 0.263 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.485 INCHES NOMINAL |
| ABPX | MATERIAL THICKNESS | 0.047 INCHES NOMINAL |
| CQFM | HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| CQHQ | MINIMUM YIELD STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HEAT | HEAT TREATMENT | QUENCHED AND TEMPERED |
| MATT | MATERIAL | STEEL COMP 1060 OVERALL OR STEEL COMP 1561 OVERALL OR STEEL COMP 1064 OVERALL OR STEEL COMP 1065 OVERALL OR STEEL COMP 1566 OVERALL OR STEEL COMP 1069 OVERALL OR STEEL COMP 1070 OVERALL OR STEEL COMP 1071 OVERALL OR STEEL COMP 1572 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 | SPLIT HELICAL-RIGHT HAND |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A CLASS AND 1 STYLE |
| Relevant Components for NSN - 5310-00-402-4209, 5310004024209 | ||||
| 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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