Product Details | SHOULDER SCREW

5305-01-053-9784 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: 11571681, 5305-01-053-9784, 01-053-9784, 5305010539784, 010539784

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 13 JAN 1978 01-053-9784

Drawings & Photos | NSN 5305-01-053-9784


Cross Reference | NSN 5305-01-053-9784

Part Number Cage Code Manufacturer
11571681 18876 U S ARMY AVIATION AND MISSILE COMMAND

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Technical Data | NSN 5305-01-053-9784

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.422 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
FASTENER LENGTH 0.923 INCHES MINIMUM AND 0.933 INCHES MAXIMUM
MATERIAL STEEL COMP 4037 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-21472 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HEAD STYLE C49 FLAT CHAMFER
HEAD DIAMETER 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD HEIGHT 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 INCHES NOMINAL
SHOULDER SHAPE ROUND FIRST SHOULDER
SHOULDER DIAMETER 0.309 INCHES MINIMUM AND 0.311 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH 0.491 INCHES MINIMUM AND 0.501 INCHES MAXIMUM FIRST SHOULDER
MANUFACTURERS CODE 18876
DESIGN CONTROL REFERENCE 11571681

Restrictions/Controls & Freight Information | NSN 5305-01-053-9784

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
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 713 unknown
Originating Activity Code BD U.S. Army Aviation and Missile Command
Redstone Arsenal, AL 35898-5230
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