NSN 5305-01-358-9591

Part Details | SHOULDER SCREW

5305-01-358-9591 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: 0.312 SHLD. DIA. X 1.000 LGNICU, 0.312 SHLD. DIA. X 1.000 LG-NICU, MILS21472, MIL-S-21472, MILS21472, QQ N281,, MIL-S-21472, QQ -N-281,, 5305-01-358-9591, 01-358-9591, 5305013589591, 013589591

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 23, 199201-358-959122846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

HEXAGON

Cross Reference | NSN 5305-01-358-9591
Part Number Cage Code Manufacturer
0.312 SHLD. DIA. X 1.000 LG-NICU80204AMERICAN NATIONAL STANDARDSINSTITUTE, INCORPORATED
MIL-S-2147281349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-S-21472, QQ -N-281,D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 5305-01-358-9591
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.250 INCHES
THREAD QUANTITY PER INCH20
THREAD CLASS3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.418 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
FASTENER LENGTH1.000 INCHES NOMINAL
MINIMUM TENSILE STRENGTH80000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH40000 POUNDS PER SQUARE INCH
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
INTERNAL DRIVE STYLE HEXAGON
WIDTH ACROSS FLATS0.156 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYSCREW,SHOULDER