| Item Name | Thumbscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-418-3423 (014183423) |
| NCB Code | USA (01) |
| Manufacturer | Horizon Aerospace Llc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.187 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.166 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 5 |
| AASL | HEAD DIAMETER | 0.187 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.184 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.140 INCHES NOMINAL SECOND SHOULDER |
| AATN | SHOULDER DIAMETER | 0.250 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.400 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.485 INCHES NOMINAL SECOND SHOULDER |
| AAUY | POINT LENGTH | 0.031 INCHES NOMINAL |
| AAVA | POINT DIAMETER | 0.100 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AHYM | NOMINAL THREAD DIAMETER | 0.125 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 44 |
| CWDK | POINT CHAMFER ANGLE | 45.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND ALL SHOULDERS |
| MATT | MATERIAL | STEEL COMP 302 OVERALL OR STEEL COMP 303SE OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5636 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR AMS 5640 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-01-418-3423, 5305014183423 | ||||
| 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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