NSN 5305-00-051-0838
Part Details | MACHINE SCREW
5305-00-051-0838 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: MS5195797, MS51957-97, 177004386, 177004-386, 5305-00-051-0838, 00-051-0838, 5305000510838, 000510838
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1961 | 00-051-0838 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-051-0838
Part Number | Cage Code | Manufacturer |
---|---|---|
MS51957-97 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
177004-386 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 5305-00-051-0838
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.764 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
FASTENER LENGTH | 0.875 INCHES NOMINAL |
SCREW MATERIAL | 2$3$4$5$DST0316 |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES |
SCREW SURFACE TREATMENT | PASSIVATE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
HEAD STYLE | 3 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.594 INCHES MINIMUM AND 0.615 INCHES MAXIMUM |
HEAD HEIGHT | 0.203 INCHES MINIMUM AND 0.218 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |