NSN 5305-00-151-2988
Part Details | MACHINE SCREW
5305-00-151-2988 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: AN520B416R48, FFS92ANDTYPE3ANDSTYLE1, 5305-00-151-2988, 00-151-2988, 5305001512988, 001512988
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
53 | JAN 01, 1963 | 00-151-2988 | 06657 ( SCREW, MACHINE ) |
REFERENCE DRAWINGS & PICTURES
UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-151-2988
Part Number | Cage Code | Manufacturer |
---|---|---|
AN520B416R48 | 88044 | AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE |
FFS92ANDTYPE3ANDSTYLE1 | 81348 | FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES |
Technical Data | NSN 5305-00-151-2988
Characteristic | Specifications |
---|---|
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.750 INCHES MINIMUM |
FASTENER LENGTH | 3.000 INCHES NOMINAL |
SCREW MATERIAL | 4$DCU0074$DCU0076$DCU0103$DCU0148$DCU0150$DCU0757$DCU0152$DCU0157$DCU0162$DCU0079$DCU0080$DCU0081$DCU0274$DCU0088$DCU0089$DCU0091$DCU0098$DCU0099$DCU0100 |
SCREW SURFACE TREATMENT | OXIDE |
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-13924 CL4 MIL SPEC SINGLE TREATMENT RESPONSE |
MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
HEAD STYLE | 8 UNDERCUT HEXAGON |
HEAD DIAMETER | 0.443 INCHES MINIMUM AND 0.472 INCHES MAXIMUM |
HEAD HEIGHT | 0.175 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
NONDEFINITIVE SPEC/STD DATA | 3 TYPE AND 1C STYLE |