NSN 5305-00-172-6806

Part Details | SHOULDER SCREW

5305-00-172-6806 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: 6876743, 6823456, 6823456, 6876743, 5305-00-172-6806, 00-172-6806, 5305001726806, 001726806

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53NOV 20, 197100-172-680622846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-00-172-6806
Part Number Cage Code Manufacturer
687674373342ALLISON TRANSMISSION, INC.
682345673342ALLISON TRANSMISSION, INC.
682345624617GENERAL MOTORS CORP
687674363005ROLLS-ROYCE CORPORATION
Technical Data | NSN 5305-00-172-6806
Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER0.500 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD LENGTH0.565 INCHES MINIMUM AND 0.572 INCHES MAXIMUM
FASTENER LENGTH3.026 INCHES MINIMUM AND 3.036 INCHES MAXIMUM
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER1.250 INCHES NOMINAL
HEAD HEIGHT0.090 INCHES MINIMUM AND 0.100 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.376 INCHES MINIMUM AND 0.379 INCHES MAXIMUM
SPECIAL FEATURESPORTION OF SHOULDER REDUCED 0.620 IN. DIA BY 1.060 IN. W