Part Details | MACHINE SCREW
5305-01-321-0621 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: PS10F14CPS01GY, 1219G24, 1219G-24, 5305-01-321-0621, 01-321-0621, 5305013210621, 013210621
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 53 | JUN 07, 1990 | 01-321-0621 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON
CROSS RECESS TYPE 1
Cross Reference | NSN 5305-01-321-0621
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| PS10F14CPS01GY | 66071 | DUPREE, INC.DBA STAKE FASTENER |
| 1219G-24 | 13030 | LOCKHEED MARTIN SIPPICAN, INC.DIV COMMUNICATION DIVISION |
Technical Data | NSN 5305-01-321-0621
| Characteristic | Specifications |
|---|---|
| THREAD SERIES DESIGNATOR | UNF |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.783 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| FASTENER LENGTH | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| SCREW MATERIAL | 1$2$DST0180$3$DST0079$4$DST0080$5$DST0152$9$DST0153$DST0310$DST0154$DST0155$DST0316$DST0082$DST0317$DST0321$DST0347$DST0348$DST0384$DST0385 |
| SCREW SURFACE TREATMENT | PASSIVATE |
| SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE |
| COLOR | GRAY |
| HEAD STYLE | 3 UNDERCUT HEXAGON |
| HEAD DIAMETER | 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| HEAD HEIGHT | 0.174 INCHES MINIMUM AND 0.184 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| FEATURES PROVIDED | BOOT TYPE WASHER |
| SPECIAL FEATURES | PER FED STD 595 NO. 26307 |