NSN 5305-00-178-0682
Part Details | MACHINE SCREW
5305-00-178-0682 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: 412113606, 412113-606, 5305-00-178-0682, 00-178-0682, 5305001780682, 001780682
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | FEB 24, 1973 | 00-178-0682 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-178-0682
Part Number | Cage Code | Manufacturer |
---|---|---|
412113-606 | 96214 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 5305-00-178-0682
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.199 INCHES MINIMUM AND 0.306 INCHES MAXIMUM |
FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
SCREW MATERIAL | 2$4$3 |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BQQ-S-763$CQQ-S-763$JGDASTM A582 1ST MATERIAL RESPONSE |
SCREW SURFACE TREATMENT | PASSIVATE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE |
HEAD STYLE | 9 DISHED HEXAGON |
HEAD DIAMETER | 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM |
COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | 0 CROSS RECESS TYPE 1 |