NSN 5305-00-156-2405

Part Details | MACHINE SCREW

5305-00-156-2405 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: AN507, FFS92ANDTYPE3AND, 5305-00-156-2405, 00-156-2405, 5305001562405, 001562405

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 01, 196000-156-240506657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

DISHED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-156-2405
Part Number Cage Code Manufacturer
AN50788044AERONAUTICAL STANDARDS GROUPDEPT OF NAVY AND AIR FORCE
FFS92ANDTYPE3AND81348FEDERAL SPECIFICATIONSPROMULGATED BY GENERAL SERVICES
Technical Data | NSN 5305-00-156-2405
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH28
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.969 INCHES NOMINAL
FASTENER LENGTH1.000 INCHES NOMINAL
SCREW MATERIAL STEEL COMP 2330
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
SCREW SURFACE TREATMENT CADMIUM
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
HEAD STYLE9 DISHED HEXAGON
HEAD DIAMETER0.462 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 3C STYLE