NSN 5305-00-204-4866
Part Details | MACHINE SCREW
5305-00-204-4866 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: MS955404, MS9554-04, 5305-00-204-4866, 00-204-4866, 5305002044866, 002044866
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | APR 06, 1973 | 00-204-4866 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
DOUBLE HEXAGON W/ HOLE

Cross Reference | NSN 5305-00-204-4866
Part Number | Cage Code | Manufacturer |
---|---|---|
MS9554-04 | 96906 | MILITARY STANDARDSPROMULGATED BY MILITARY DEPARTMENTS |
Technical Data | NSN 5305-00-204-4866
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
THREAD QUANTITY PER INCH | 40 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.287 INCHES MINIMUM AND 0.327 INCHES MAXIMUM |
FASTENER LENGTH | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
SCREW MATERIAL | IRON ALLOY 660 |
SCREW MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 MIL SPEC SINGLE MATERIAL RESPONSE |
HEAD STYLE | DOUBLE HEXAGON W/ HOLE |
HEAD HEIGHT | 0.218 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.188 INCHES NOMINAL |
EXTENDED WASHER DIAMETER | 0.270 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.030 INCHES MINIMUM |