NSN 5305-00-188-0773
Part Details | MACHINE SCREW
5305-00-188-0773 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: IM1526, 5305-00-188-0773, 00-188-0773, 5305001880773, 001880773
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | MAR 07, 1973 | 00-188-0773 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-188-0773
Part Number | Cage Code | Manufacturer |
---|---|---|
IM1526 | 03950 | NAVAL INVENTORY CONTROL POINTMECHANICSBURG |
Technical Data | NSN 5305-00-188-0773
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.112 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.580 INCHES MINIMUM |
FASTENER LENGTH | 1.630 INCHES NOMINAL |
SCREW MATERIAL | 2$3$4$5 |
SCREW SURFACE TREATMENT | PASSIVATE |
HEAD STYLE | 3 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.219 INCHES MAXIMUM |
HEAD HEIGHT | 0.068 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |