| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-388-9093 (013889093) |
| NCB Code | USA (01) |
| Manufacturer | Defense Logistics Agency |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASL | HEAD DIAMETER | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | PAN |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| FEAT | SPECIAL FEATURES | NTHREAD IS SAFETY CRITICAL PER MIL-S-8879 UNDER APPLICATION CATEGORY SAFETY CRITICAL. APPLY ONE COAT OF MIL-P-23377,TY 1,CL 1 OR 3 AND TWO TOP COATS OF MIL-C-46168,COLOR CODE 33538 PER FED-STD-595 TO TOP OF HEAD |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASU | HEAD HEIGHT | 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CYAU | SCREW MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 |
| AASA | THREAD LENGTH | 0.910 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.910 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 1 CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE |
| Relevant Components for NSN - 5305-01-388-9093, 5305013889093 | ||||
| 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) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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