NSN 5305-01-397-5943

Part Details | SHOULDER SCREW

5305-01-397-5943 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: 56664043158, 566-6404315-8, 211017080, 5305-01-397-5943, 01-397-5943, 5305013975943, 013975943

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53OCT 14, 199401-397-594322846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

HEXAGON EXTENDED WASHER

CROSS RECESS TYPE II

Cross Reference | NSN 5305-01-397-5943
Part Number Cage Code Manufacturer
566-6404315-853711NAVAL SEA SYSTEMS COMMAND
21101708053711NAVAL SEA SYSTEMS COMMAND
Technical Data | NSN 5305-01-397-5943
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.625 INCHES
THREAD QUANTITY PER INCH11
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.890 INCHES NOMINAL
FASTENER LENGTH2.530 INCHES NOMINAL
HEAD STYLE HEXAGON EXTENDED WASHER
HEAD HEIGHT0.380 INCHES NOMINAL
WIDTH BETWEEN FLATS1.125 INCHES NOMINAL
EXTENDED WASHER DIAMETER1.120 INCHES NOMINAL
EXTENDED WASHER THICKNESS0.030 INCHES NOMINAL
INTERNAL DRIVE STYLE1 CROSS RECESS TYPE II