NSN 5305-01-054-8378

Part Details | MACHINE SCREW

5305-01-054-8378 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: ST5H10656, ST5H106-56, 5305-01-054-8378, 01-054-8378, 5305010548378, 010548378

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 27, 197801-054-837806657 ( SCREW, MACHINE )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-054-8378
Part Number Cage Code Manufacturer
ST5H106-5622915NORTHROP GRUMMAN CORPELECTRONIC SYSTEMS DEFENSIVE SYSTEM
Technical Data | NSN 5305-01-054-8378
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.345 INCHES MINIMUM
FASTENER LENGTH0.547 INCHES MINIMUM AND 0.592 INCHES MAXIMUM
SCREW MATERIAL STEEL COMP 303
SCREW SURFACE TREATMENT PASSIVATE
HEAD STYLE4 CROWNED HEXAGON
HEAD DIAMETER0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM
HEAD HEIGHT0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM
INTERNAL DRIVE STYLE CROSS RECESS TYPE II
SPECIAL FEATURESFURNISHED WITH ONE O-RING /SYN RUBBER/ AND ONE SHIM /POLYTETRAFLUOROETHYLENE/