NSN 5305-01-157-9939

Part Details | SOCKET HEAD CAP SCREW

5305-01-157-9939 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Alternate Parts: 924J62429, 924J624-29, 5305-01-157-9939, 01-157-9939, 5305011579939, 011579939

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JUL 14, 198301-157-993916282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-157-9939
Part Number Cage Code Manufacturer
924J624-2994259BECHTEL MARINE PROPULSIONCORPORATION
Technical Data | NSN 5305-01-157-9939
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD DIRECTION RIGHT-HAND
FASTENER LENGTH0.625 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
INTERNAL DRIVE STYLE HEXAGON
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS
CRITICALITY CODE JUSTIFICATIONZZZY