Product Details | SOCKET HEAD CAP SCREW

5305-00-827-7608 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: M40CR4208E, M40CR420-8E, 77C708797PC80, 5305-00-827-7608, 00-827-7608, 5305008277608, 008277608

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 25 AUG 1967 00-827-7608

Drawings & Photos | NSN 5305-00-827-7608


Cross Reference | NSN 5305-00-827-7608

Part Number Cage Code Manufacturer
77C708797PC80 03538 LOCKHEED MARTIN CORPORATION DIV MST
77C708797PC80 70318 ALLMETAL SCREW PRODUCTS CORP DBA ALL METAL SCREW PRODUCTS
M40CR420-8E 26233 NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK

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Technical Data | NSN 5305-00-827-7608

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.250 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.500 INCHES MINIMUM
FASTENER LENGTH 0.500 INCHES NOMINAL
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
HEAD STYLE C50 FLAT COUNTERSUNK
HEAD DIAMETER 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM
COUNTERSINK ANGLE 82.0 DEGREES NOMINAL
INTERNAL DRIVE STYLE D5 HEXAGON
WIDTH ACROSS FLATS 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
LOCKING FEATURE PATCH OR STRIP THREADS

Restrictions/Controls & Freight Information | NSN 5305-00-827-7608

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: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
No Freight Information

Management | NSN 5305-00-827-7608

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
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
Q
EA : Each