NSN 5305-00-160-1621
Part Details | MACHINE SCREW
5305-00-160-1621 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: 50540917, 505409-17, 5305-00-160-1621, 00-160-1621, 5305001601621, 001601621
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | AUG 21, 1972 | 00-160-1621 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-00-160-1621
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 505409-17 | 80020 | NAVAL AIR WARFARE CENTER AIRCRAFTDIVISION CODE 4.8.8.0.0.B BLDG 148-2 |
Technical Data | NSN 5305-00-160-1621
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.429 INCHES MINIMUM |
| FASTENER LENGTH | 0.500 INCHES NOMINAL |
| SCREW MATERIAL | STEEL COMP 4130 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 2 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.779 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| HEAD HEIGHT | 0.125 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
