Product Details | SOCKET HEAD CAP SCREW

5305-01-084-3997 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: 144717, 5305-01-084-3997, 01-084-3997, 5305010843997, 010843997

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 18 OCT 1979 01-084-3997

Drawings & Photos | NSN 5305-01-084-3997


Cross Reference | NSN 5305-01-084-3997

Part Number Cage Code Manufacturer
144717 09205 LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV

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Technical Data | NSN 5305-01-084-3997

Characteristic Specifications
THREAD SERIES DESIGNATOR UNF
NOMINAL THREAD DIAMETER 0.312 INCHES
THREAD QUANTITY PER INCH 24
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 1.800 INCHES NOMINAL
FASTENER LENGTH 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
MATERIAL STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION 171 FINISH 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
HEAD HEIGHT 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM
MANUFACTURERS CODE 09205
DESIGN CONTROL REFERENCE 144717

Restrictions/Controls & Freight Information | NSN 5305-01-084-3997

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:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 573 unknown
Originating Activity Code TG Warner-Robins Air Logistics Center
Robins AFB, GA 31098-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
Air Special Handling Z No special handling required.
Special Handling Code Z unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable