NSN 5305-00-206-3689
Part Details | MACHINE SCREW
5305-00-206-3689 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.
Alternate Parts: 20307 BLK.OXIDEADX, 20307 BLK.OXIDE, MS3519870, MS35198-70, MS3519870, MS35198-70, 1225277738 ITEM 42, 122-5277738 ITEM 42, 1225277671 ITEM 42, 122-5277671 ITEM 42, 1241900807 PAR, 124-1900807 PAR, 5305-00-206-3689, 00-206-3689, 5305002063689, 002063689
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JAN 01, 1963 | 00-206-3689 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-206-3689
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 20307 BLK.OXIDEADX | 1VN02 | AIRDALE EXPRESS LLC |
| 20307 BLK.OXIDE | 73734 | FEDERAL SCREW PRODUCTS INC. |
| MS35198-70 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
| MS35198-70 | 80205 | NATIONAL AEROSPACE STANDARDSCOMMITTEE AEROSPACE INDUSTRIES |
| 122-5277738 ITEM 42 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 122-5277671 ITEM 42 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 124-1900807 PAR | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 5305-00-206-3689
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 20 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.525 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| FASTENER LENGTH | 0.625 INCHES NOMINAL |
| SCREW MATERIAL | COPPER ALLOY |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AQQ-B-626$AQQ-W-321 1ST MATERIAL RESPONSE |
| MINIMUM TENSILE STRENGTH | 57000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 9 DISHED HEXAGON |
| HEAD DIAMETER | 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |