NSN 5305-01-008-5403

Part Details | SHOULDER SCREW

5305-01-008-5403 An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.

Alternate Parts: CA270323090, CA27032-3090, AS1851, AS185-1, GB511DB3090, 5305-01-008-5403, 01-008-5403, 5305010085403, 010085403

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53AUG 26, 197501-008-540322846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

UNDERCUT HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-01-008-5403
Part Number Cage Code Manufacturer
CA27032-309029372ARCONIC GLOBAL FASTENERS & RINGS,INC.
AS185-184256AVIBANK MFG., INC.
GB511DB309026512NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV MISSION SYSTEMS
Technical Data | NSN 5305-01-008-5403
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER1.250 INCHES
THREAD QUANTITY PER INCH12
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.779 INCHES NOMINAL
FASTENER LENGTH4.660 INCHES MINIMUM AND 4.676 INCHES MAXIMUM
MINIMUM TENSILE STRENGTH220000 POUNDS PER SQUARE INCH
HEAD STYLE3 UNDERCUT HEXAGON
HEAD DIAMETER1.855 INCHES MINIMUM AND 1.875 INCHES MAXIMUM
HEAD HEIGHT0.490 INCHES NOMINAL
WIDTH BETWEEN FLATS1.610 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
INTERNAL DRIVE STYLE4 CROSS RECESS TYPE 1
SPECIAL FEATURESRETAINING ELEMENT IN SHANK