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) | 00-253-5630 (002535630) |
| NCB Code | USA (00) |
| Manufacturer | Federal Specifications, National Aerospace Standards Com, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| FF-S-107C | federal specifications | screw drive | RFQ |
| MS21318-54 | national aerospace standards com | screw drive | RFQ |
| MS21318-53 | military standards corp | screw drive | RFQ |
| MS21318-53 | national aerospace standards com | screw drive | RFQ |
| MS21318-54 | military standards corp | screw drive | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND |
| AASL | HEAD DIAMETER | 0.382 INCHES MINIMUM AND 0.408 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.139 INCHES MINIMUM AND 0.153 INCHES MAXIMUM |
| AAVL | PILOT DIAMETER | 0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM |
| AAVM | PILOT LENGTH | 0.078 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | CASEHARDENED |
| CRGF | NONMACHINE THREAD STYLE | DRIVE SCREW (TYPE U) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.209 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 - 5305-00-253-5630, 5305002535630 | ||||
| 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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