AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Drive |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-253-5619 (002535619) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Eca Etablissement Central Des, Military Standards Corp, De Technologies Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NASM21318-28 | national aerospace standards com | screw drive | RFQ |
| MS21318-28 | national aerospace standards com | screw drive | RFQ |
| 5305002535619 | eca etablissement central des | screw drive | RFQ |
| MS21318-28 | military standards corp | screw drive | RFQ |
| NASM21318-28 | de technologies inc | screw drive | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.312 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND |
| AASL | HEAD DIAMETER | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| AAVL | PILOT DIAMETER | 0.112 INCHES MINIMUM AND 0.116 INCHES MAXIMUM |
| AAVM | PILOT LENGTH | 0.047 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CRGF | NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Relevant Components for NSN - 5305-00-253-5619, 5305002535619 | ||||
| 5305-00-825-1285 (5305008251285) | 5315-01-177-1845 (5315011771845) | 5340-01-536-0624 (5340015360624) | 5330-01-398-3824 (5330013983824) | |
| 5365-00-602-2520 (5365006022520) | 5340-01-658-6711 (5340016586711) | 5306-00-488-7520 (5306004887520) | 5310-00-443-4905 (5310004434905) | |
| 5305-00-579-4230 (5305005794230) | 5306-01-488-3599 (5306014883599) | 5340-01-429-0378 (5340014290378) | 5305-01-208-9074 (5305012089074) | |
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