Product Details | SHOULDER SCREW

5305-01-439-7091 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: CF105BC41061, CF105BC4-106-1, 5305-01-439-7091, 01-439-7091, 5305014397091, 014397091

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 17 DEC 1996 01-439-7091

Drawings & Photos | NSN 5305-01-439-7091


Cross Reference | NSN 5305-01-439-7091

Part Number Cage Code Manufacturer
CF105BC4-106-1 81755 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS
CF105BC4-106-1 84256 AVIBANK MFG., INC.

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Technical Data | NSN 5305-01-439-7091

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJF
NOMINAL THREAD DIAMETER 0.216 INCHES
THREAD QUANTITY PER INCH 28
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.350 INCHES MAXIMUM
FASTENER LENGTH 0.883 INCHES NOMINAL
MATERIAL STEEL COMP XM-13 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MINIMUM TENSILE STRENGTH 205000 POUNDS PER SQUARE INCH
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.368 INCHES NOMINAL
COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.070 INCHES NOMINAL FIRST SHOULDER

Restrictions/Controls & Freight Information | NSN 5305-01-439-7091

Category Code Description
Shelf-Life Code:0Nondeteriorative
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.
Controlled Inventory Item Code:UUNCLASSIFIED
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
NMF Description 096640 SCREWS, IRON OR STEEL
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KH Defense Industrial Supply Center
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable