AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Knob |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5355 Knobs and Pointers |
| National Item Identification Number (NIIN) | 00-839-2138 (008392138) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Jan Hardware Mfg Co Inc, Eca Etablissement Central Des, Electronic Hardware Corp, Military Standards Corp, Lerco, Raytheon Company |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS91528-2E1B | national aerospace standards com | knob | RFQ |
| 91B2MA WD | jan hardware mfg co inc | knob | RFQ |
| 5355008392138 | eca etablissement central des | knob | RFQ |
| 9L1RSWD | electronic hardware corp | knob | RFQ |
| MS91528-2E1B | military standards corp | knob | RFQ |
| 509-2WD-1M | lerco | knob | RFQ |
| 91B2MA WD | electronic hardware corp | knob | RFQ |
| 2E1B | electronic hardware corp | knob | RFQ |
| 90-2WD-1G | raytheon company | knob | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AARX | INSIDE DIAMETER | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM |
| AAWY | COUNTERBORE DIAMETER | 0.640 INCHES MINIMUM |
| ABFU | DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE | 0.484 INCHES MAXIMUM |
| ADUM | OVERALL THICKNESS | 0.980 INCHES MINIMUM AND 1.040 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 40 SCREW HOLE |
| CRWX | SKIRT DESIGN | NONDETACHABLE |
| AAWZ | COUNTERBORE DEPTH | 0.320 INCHES MINIMUM |
| ABFR | SETSCREW HOLE QUANTITY | 2 |
| ABFY | OVERALL DEPTH | 0.730 INCHES MINIMUM |
| ABHG | GRIPPING SURFACE CONDITION | GRIP AID |
| ABHH | SHAFT ACCOMMODATION STYLE | COUNTERBORED |
| ABKV | OUTSIDE DIAMETER | 0.890 INCHES MINIMUM AND 0.930 INCHES MAXIMUM |
| ABSL | SKIRT STYLE | STEPPED |
| ABSP | REFERENCE MARKING | DOT |
| ABSX | ATTACHMENT METHOD | SETSCREWS |
| CBSC | SCREW DRIVE TYPE | HEXAGON SOCKET |
| CQJX | NOMINAL THREAD SIZE | 0.112 INCHES SCREW HOLE |
| CRPJ | SKIRT OUTSIDE DIAMETER | 0.845 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | ROUND |
| THSD | THREAD SERIES DESIGNATOR | UNC SCREW HOLE |
| Relevant Components for NSN - 5355-00-839-2138, 5355008392138 | ||||
| 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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