Product Details | CLOSE TOLERANCE SCREW

5305-01-577-2508 A SCREW, MACHINE or SCREW, CAP, SOCKET HEAD whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 IN.) (0.025 mm) or less of a specific diameter for items (1.000 IN.) (25 mm) or less in diameter. Items over (1.000 IN.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 IN.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 IN.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the Screw Thread Standards, FED STD H28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

Part Alternates: NAS11228, NAS1122-8, 5305-01-577-2508, 01-577-2508, 5305015772508, 015772508

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 31 AUG 2009 01-577-2508

Demand History | NSN 5305-01-577-2508

Part Number Request Date QTY Origin
5305-01-577-2508 2014-09-271 124 DIBBS
5305-01-577-2508 2012-05-137 57 DIBBS

Cross Reference | NSN 5305-01-577-2508

Part Number Cage Code Manufacturer
NAS1122-8 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES

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Technical Data | NSN 5305-01-577-2508

Characteristic Specifications
THREAD SERIES DESIGNATOR UNJC
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL
HEAD DIAMETER 0.265 NOMINAL MILS AND 0.270 NOMINAL CENTIMETERS
HEAD STYLE FLAT CHAMFER
INTERNAL DRIVE STYLE OFFSET CRUCIFORM (TORQUE SET)
THREAD QUANTITY PER INCH 32
MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
GRIP LENGTH 0.500 INCHES NOMINAL
FASTENER LENGTH 0.776 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY SCREW MACHINE FLAT FILLISTER HEAD CLOSE TOLERANCE, SHORT THREAD, OFFSET CRUCIFORM
THREAD LENGTH 0.276 INCHES NOMINAL
GRIP DIAMETER 0.162 NOMINAL MILS AND 0.163 NOMINAL CENTIMETERS
HEAD HEIGHT 0.088 NOMINAL MILS AND 0.102 NOMINAL CENTIMETERS
NOMINAL THREAD DIAMETER 0.164 INCHES
THREAD CLASS 3A

Restrictions/Controls & Freight Information | NSN 5305-01-577-2508

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 KE Naval ICP
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

Management | NSN 5305-01-577-2508

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each