Part Details | SOCKET HEAD CAP SCREW
5305-01-178-9241 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.
Alternate Parts: 256X.19, 2-56X.19, 130842791, 13084279-1, 130842791, 13084279-1, 5305-01-178-9241, 01-178-9241, 5305011789241, 011789241
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | MAY 11, 1984 | 01-178-9241 | 16282 ( SCREW, CAP, SOCKET HEAD ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
HEXAGON
Cross Reference | NSN 5305-01-178-9241
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 2-56X.19 | 70318 | ALLMETAL SCREW PRODUCTS CORP.DBA ALL METAL SCREW PRODUCTS |
| 13084279-1 | 04939 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 13084279-1 | 58260 | PROGRAM MANAGER ADVANCED ATTACKHELICOPTER BARCOM AMCPM-AAH |
Technical Data | NSN 5305-01-178-9241
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.086 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.154 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| FASTENER LENGTH | 0.175 INCHES MINIMUM AND 0.205 INCHES MAXIMUM |
| HEAD STYLE | 9 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.154 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| HEAD HEIGHT | 0.036 INCHES MINIMUM AND 0.046 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |