AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Nut Self Locking Hexagon |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-168-2978 (001682978) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, United Technologies Corporation, Satair Usa Inc, Inspektorat Wsparcia Sil Zbrojnych |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 661640 | alcoa global fasteners inc | nut self locking hexagon | RFQ |
| 661642 | united technologies corporation | nut self locking hexagon | RFQ |
| 661641 | united technologies corporation | nut self locking hexagon | RFQ |
| 540625 | united technologies corporation | nut self locking hexagon | RFQ |
| H31-3 | alcoa global fasteners inc | nut self locking hexagon | RFQ |
| H49044-3 | alcoa global fasteners inc | nut self locking hexagon | RFQ |
| 661639 | united technologies corporation | nut self locking hexagon | RFQ |
| 661640 | satair usa inc | nut self locking hexagon | RFQ |
| 5310PL0633370 | inspektorat wsparcia sil zbrojnych | nut self locking hexagon | RFQ |
| H49044-3 | satair usa inc | nut self locking hexagon | RFQ |
| 661640 | united technologies corporation | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ACTA | NUT STYLE | INTERNAL OR EXTERNAL WRENCHING HEXAGON |
| ADEA | NUT HEIGHT | 0.188 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| CQJX | NOMINAL THREAD SIZE | 0.190 INCHES |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| PMLC | PRECIOUS MATERIAL AND LOCATION | EXTERNAL SURFACES SILVER |
| SFTT | SURFACE TREATMENT | SILVER OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5310-00-168-2978, 5310001682978 | ||||
| 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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