AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-177-1229 (001771229) |
| NCB Code | USA (00) |
| Manufacturer | Mcdonnell Douglas Helicopter Co Inc, Boeing Company The |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 2.553 INCHES MINIMUM AND 2.573 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 3.240 INCHES MINIMUM AND 3.260 INCHES MAXIMUM |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
| ABMR | INTERNAL KEY QUANTITY | 2 |
| ABPX | MATERIAL THICKNESS | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18729,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-177-1229, 5310001771229 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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