| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-637-8258 (006378258) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Aeronautical Standards Group |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 0457-283 | lockheed martin corporation | screw machine | 56232 | RFQ |
| AN500AC8-20 | aeronautical standards group | screw machine | 88044 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CYAU | SCREW MATERIAL | STEEL CORROSION RESISTING |
| CYBA | SCREW SURFACE TREATMENT | PASSIVATE |
| FEAT | SPECIAL FEATURES | ONE DRILLED HOLE |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND ST5S STYLE |
| Relevant Components for NSN - 5305-00-637-8258, 5305006378258 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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