NSN 5305-01-088-0266

Part Details | SOCKET HEAD CAP SCREW

5305-01-088-0266 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: 140736, 5305-01-088-0266, 01-088-0266, 5305010880266, 010880266

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53JAN 04, 198001-088-026616282 ( SCREW, CAP, SOCKET HEAD )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-088-0266
Part Number Cage Code Manufacturer
14073609205LOCKHEED MARTIN CORPELECTRONICS AND MISSILES DIV
Technical Data | NSN 5305-01-088-0266
Characteristic Specifications
THREAD SERIES DESIGNATOR UNRF
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.450 INCHES MINIMUM
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM
SPECIAL FEATURESON THREADED END 0.200 IN. SPERICAL RADIUS