Product Details | SOCKET HEAD CAP SCREW

5305-00-178-8554 An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.

Part Alternates: CE11832, 5305-00-178-8554, 00-178-8554, 5305001788554, 001788554

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 18 FEB 1973 00-178-8554

Drawings & Photos | NSN 5305-00-178-8554


Cross Reference | NSN 5305-00-178-8554

Part Number Cage Code Manufacturer
CE11832 98230 NATIONAL SECURITY AGENCY

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Technical Data | NSN 5305-00-178-8554

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.138 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.240 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
FASTENER LENGTH 0.302 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
MATERIAL STEEL OVERALL
SURFACE TREATMENT OXIDE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.221 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.093 INCHES MINIMUM AND 0.095 INCHES MAXIMUM

Restrictions/Controls & Freight Information | NSN 5305-00-178-8554

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.
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