| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-853-4266 (008534266) |
| NCB Code | USA (00) |
| Manufacturer | Space Lok Inc, Avibank Mfg Inc, Alcoa Global Fasteners Inc, Lockheed Martin Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| VP1077-3-0-420 | space lok inc | screw shoulder | 16258 | RFQ |
| AS106-3-0420 | avibank mfg inc | screw shoulder | 84256 | RFQ |
| C434-3-0420 | alcoa global fasteners inc | screw shoulder | 29372 | RFQ |
| C434-3-0420 | lockheed martin corporation | screw shoulder | 81755 | RFQ |
| CA2720-3-0420 | alcoa global fasteners inc | screw shoulder | 29372 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATN | SHOULDER DIAMETER | 0.239 INCHES MINIMUM FIRST SHOULDER AND 0.249 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.024 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.531 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.050 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.199 INCHES |
| MATT | MATERIAL | STEEL COMP 630 OVERALL OR STEEL CORROSION RESISTING OVERALL OR STEEL UNS S34723 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OVERALL OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 5672 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-00-853-4266, 5305008534266 | ||||
| 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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