| 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) | 00-016-7181 (000167181) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Military Standards Corp, Eca Etablissement Central Des |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS21083D5 | national aerospace standards com | nut self locking hexagon | RFQ |
| NASM25027 | national aerospace standards com | nut self locking hexagon | RFQ |
| MS21083D5 | military standards corp | nut self locking hexagon | RFQ |
| 5310000167181 | eca etablissement central des | nut self locking hexagon | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| ABAJ | LUBRICATION | SOLUBLE LUBRICANT |
| ACTA | NUT STYLE | HEXAGON |
| ADEA | NUT HEIGHT | 0.266 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| AZKQ | TEMP RATING | 250.0 DEG FAHRENHEIT MAXIMUM |
| BZRR | THREAD SERIES | UNJF |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | 0.312 INCHES |
| CRSQ | COUNTERSINK ANGLE | 88.0 DEGREES MINIMUM NUT |
| CRTM | BEARING SURFACE TYPE | CHAMFERED OR WASHER FACED |
| CSXL | BEARING SURFACE FINISH | 125.0 MICROINCHES |
| MATT | MATERIAL | ALUMINUM ALLOY 2014 NUT OR ALUMINUM ALLOY 2017 NUT OR ALUMINUM ALLOY 2024 NUT OR ALUMINUM ALLOY 7075 NUT |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-200/2,T6 FED SPEC 1ST MATERIAL RESPONSE NUT OR QQ-A-225/4,T4 FED SPEC 2ND MATERIAL RESPONSE NUT OR QQ-A-225/6,T6 FED SPEC 3RD MATERIAL RESPONSE NUT OR QQ-A-200/11,T6 FED SPEC 4TH MATERIAL RESPONSE NUT |
| SFTT | SURFACE TREATMENT | ANODIZE OVERALL EXCEPT INSERT OR CHROMATE OVERALL EXCEPT INSERT |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE OVERALL EXCEPT INSERT OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Relevant Components for NSN - 5310-00-016-7181, 5310000167181 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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