NSN 5305-01-246-0758

Part Details | SHOULDER SCREW

5305-01-246-0758 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: HT4020517Y, HT4020-5-17Y, HT4020517Y, HT4020-5-17Y, 5305-01-246-0758, 01-246-0758, 5305012460758, 012460758

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53DEC 09, 198601-246-075822846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON COUNTERSUNK

HIGH-TORQUE

Cross Reference | NSN 5305-01-246-0758
Part Number Cage Code Manufacturer
HT4020-5-17Y92215ARCONIC GLOBAL FASTENERS & RINGS,INC.
HT4020-5-17Y06950ARCONIC GLOBAL FASTENERS & RINGS,INC.
Technical Data | NSN 5305-01-246-0758
Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER0.312 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.531 INCHES NOMINAL
FASTENER LENGTH1.577 INCHES MINIMUM AND 1.624 INCHES MAXIMUM
HEAD STYLE1 HEXAGON COUNTERSUNK
HEAD DIAMETER0.575 INCHES MINIMUM AND 0.635 INCHES MAXIMUM
HEAD HEIGHT0.061 INCHES MINIMUM AND 0.064 INCHES MAXIMUM
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE HIGH-TORQUE
SPECIAL FEATURESSURFACE ROUGHNESS 32.0 MICRO INCHES; CETYL ALCOHOL LUBE BOLT ONLY