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| Item Name | Washer Key |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 01-157-8372 (011578372) |
| NCB Code | USA (01) |
| Manufacturer | Rolls Royce Marine, Nato Stock Number Assigned Byanother |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| UBS34Q | rolls royce marine | washer key | RFQ |
| 99-781-1395 | nato stock number assigned byanother | washer key | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 1.200 INCHES MINIMUM AND 1.205 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 1.440 INCHES MINIMUM AND 1.450 INCHES MAXIMUM |
| ABKY | EXTERNAL PREBENT KEY LENGTH | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| ABLD | EXTERNAL TAPERED KEY WIDTH | 0.580 INCHES NOMINAL |
| ABLF | EXTERNAL PREBENT KEY WIDTH | 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | 0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | 1.826 INCHES NOMINAL |
| ABMM | SPLIT KEY LENGTH | 0.210 INCHES NOMINAL |
| ABMQ | EXTERNAL KEY QUANTITY | 3 |
| ABPX | MATERIAL THICKNESS | 0.036 INCHES NOMINAL |
| CSFW | ANGLE BETWEEN EXTERNAL KEYS | 90.0 DEGREES NOMINAL |
| CSKN | EXTERNAL PREBENT KEY ANGLE | 15.0 DEGREES NOMINAL |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| STYL | STYLE DESIGNATOR | KEY |
| Relevant Components for NSN - 5310-01-157-8372, 5310011578372 | ||||
| 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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