Product Details | SHOULDER SCREW

5305-01-591-3863 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: FTD7049HS639, FTD7049HS6-3-9, 5305-01-591-3863, 01-591-3863, 5305015913863, 015913863

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 24 JAN 2011 01-591-3863

Cross Reference | NSN 5305-01-591-3863

Part Number Cage Code Manufacturer
FTD7049HS6-3-9 58794 FASTENER TECHNOLOGY CORP.

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Technical Data | NSN 5305-01-591-3863

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
INTERNAL DRIVE STYLE HEXAGON
THREAD LENGTH 0.485 INCHES NOMINAL
HEAD HEIGHT 0.133 INCHES MINIMUM AND 0.139 INCHES MAXIMUM
THREAD QUANTITY PER INCH 32
THREAD SERIES DESIGNATOR UNC
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL STEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER 0.138 INCHES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE FLAT FILLISTER
SURFACE TREATMENT PASSIVATE OVERALL
WIDTH ACROSS FLATS 0.1094 INCHES MINIMUM AND 0.1116 INCHES MAXIMUM
HEAD DIAMETER 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
FASTENER LENGTH 0.561 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-591-3863

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