AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-352-3297 (013523297) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS51896-20B | military standards corp | screw externally relieved body | RFQ |
| FF-S-92 | federal specifications | screw externally relieved body | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.312 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.844 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASU | HEAD HEIGHT | 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM |
| SFTT | SURFACE TREATMENT | OXIDE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASL | HEAD DIAMETER | 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.511 INCHES MINIMUM AND 0.563 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| MATT | MATERIAL | STEEL COMP 301 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 302B OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 304L OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 308 OVERALL OR ST |
| AAWC | FIRST DIAMETER FROM HEAD | 0.133 INCHES MINIMUM AND 0.143 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 9C STYLE |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| Relevant Components for NSN - 5305-01-352-3297, 5305013523297 | ||||
| 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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