Product Details | SHOULDER SCREW

5305-01-579-8773 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.

Part Alternates: PZ-40, PZ40, 5305-01-579-8773, 01-579-8773, 5305015798773, 015798773

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 25 NOV 2009 01-579-8773

Cross Reference | NSN 5305-01-579-8773

Part Number Cage Code Manufacturer
PZ-40 29440 W. M. BERG INC

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Technical Data | NSN 5305-01-579-8773

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
INTERNAL DRIVE STYLE HEXAGON
SPECIAL FEATURES THREAD TYPE: A-EXTERNAL;416 STAINLESS STEEL
THREAD LENGTH 0.500 INCHES NOMINAL
HEAD HEIGHT 0.250 INCHES NOMINAL
HEAD DIAMETER 0.562 INCHES NOMINAL
HEAD STYLE FLAT CHAMFER
SHOULDER LENGTH 0.500 INCHES NOMINAL OVERALL
FASTENER LENGTH 1.250 INCHES NOMINAL
THREAD SERIES DESIGNATOR UNC
SHOULDER DIAMETER 0.374 INCHES NOMINAL OVERALL
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 18
HARDNESS RATING 26.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL STEEL COMP 416 OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCY SHOULDER SCREW,HEX SOCKET HEAD
SHOULDER SHAPE ROUND OVERALL
WIDTH ACROSS FLATS 0.187 INCHES NOMINAL
THREAD CLASS 2

Restrictions/Controls & Freight Information | NSN 5305-01-579-8773

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information