Product Details | SHOULDER SCREW

5305-01-620-1238 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: 7156163, 715616-3 , 5305-01-620-1238, 01-620-1238, 5305016201238, 016201238

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 2013184 01-620-1238

Cross Reference | NSN 5305-01-620-1238

Part Number Cage Code Manufacturer
715616-3 98255 DRS SUSTAINMENT SYSTEMS, INC.

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Technical Data | NSN 5305-01-620-1238

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.625 INCHES
THREAD QUANTITY PER INCH 11
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 21.4 MILLIMETERS NOMINAL
FASTENER LENGTH 61.6 MILLIMETERS NOMINAL
MATERIAL STEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE PAN NO. 2
HEAD DIAMETER 28.7 MILLIMETERS NOMINAL
HEAD HEIGHT 5.1 MILLIMETERS NOMINAL
INTERNAL DRIVE STYLE SQUARE
WIDTH ACROSS FLATS 9.5 MILLIMETERS NOMINAL
SHOULDER SHAPE ROUND ALL SHOULDERS
SHOULDER DIAMETER 19.0 MILLIMETERS NOMINAL ALL SHOULDERS
SHOULDER LENGTH 36.2 MILLIMETERS NOMINAL FIRST SHOULDER

Restrictions/Controls & Freight Information | NSN 5305-01-620-1238

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