NSN 5305-00-953-4521

Part Details | SHOULDER SCREW

5305-00-953-4521 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: 666276071, 666276-071, SMB502615, 5305-00-953-4521, 00-953-4521, 5305009534521, 009534521

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
53MAY 06, 196600-953-452122846 ( SCREW, SHOULDER )
REFERENCE DRAWINGS & PICTURES

CROWNED HEXAGON

CROSS RECESS TYPE 1

Cross Reference | NSN 5305-00-953-4521
Part Number Cage Code Manufacturer
666276-07180063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
SMB50261580063US ARMY COMMUNICATIONS &ELECTRONICS MATERIEL READINESS
Technical Data | NSN 5305-00-953-4521
Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH0.190 INCHES MINIMUM
FASTENER LENGTH0.460 INCHES NOMINAL
HEAD STYLE9 CROWNED HEXAGON
HEAD DIAMETER0.250 INCHES NOMINAL
HEAD HEIGHT0.143 INCHES NOMINAL
INTERNAL DRIVE STYLE CROSS RECESS TYPE 1