Part Details | MACHINE SCREW
5305-01-121-6165 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: 51B2215S, 51B221-5S, 51B2215S, 51B221-5S, 5305-01-121-6165, 01-121-6165, 5305011216165, 011216165
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | NOV 06, 1981 | 01-121-6165 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
TORQUE SET
Cross Reference | NSN 5305-01-121-6165
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 51B221-5S | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NORTHROP GRUMMAN AEROSPACE |
| 51B221-5S | 0JRC1 | NORTHROP GRUMMAN TECHNICAL SERVICES,INC. |
Technical Data | NSN 5305-01-121-6165
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.276 INCHES NOMINAL |
| FASTENER LENGTH | 0.588 INCHES NOMINAL |
| SCREW MATERIAL | 8$DST4140$DST8740 |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BMIL-S-5000$CMIL-S-5626$DMIL-S-6049 3RD MATERIAL RESPONSE |
| SCREW SURFACE TREATMENT | TIN |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD STYLE | 1 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.381 INCHES MINIMUM |
| HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | TORQUE SET |
| SHANK SURFACE FINISH | 32.0 MICROINCHES |