Product Details | SOCKET HEAD CAP SCREW

5305-00-771-6931 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: M37BS2564CC, M37BS256-4CC, 5305-00-771-6931, 00-771-6931, 5305007716931, 007716931

Hardware and Abrasives | Screws

Supply Group (FSG) NSN Assign. NIIN
53 20 MAR 1968 00-771-6931

Drawings & Photos | NSN 5305-00-771-6931


Cross Reference | NSN 5305-00-771-6931

Part Number Cage Code Manufacturer
M37BS256-4CC 26233 NYLOK CORPORATION DBA NYLOK WESTERN FASTENER DIV NYLOK

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Technical Data | NSN 5305-00-771-6931

Characteristic Specifications
THREAD SERIES DESIGNATOR UNC
NOMINAL THREAD DIAMETER 0.086 INCHES
THREAD QUANTITY PER INCH 56
THREAD CLASS 2A
THREAD DIRECTION RIGHT-HAND
THREAD LENGTH 0.250 INCHES MINIMUM
FASTENER LENGTH 0.250 INCHES NOMINAL
MATERIAL STEEL OVERALL
SURFACE TREATMENT CADMIUM AND CHROMATE OVERALL
HEAD STYLE C33 PAN NO. 2
HEAD DIAMETER 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT 0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
INTERNAL DRIVE STYLE D14 SLOT
LOCKING FEATURE PATCH OR STRIP THREADS
MANUFACTURERS CODE 26233
DESIGN CONTROL REFERENCE M37BS256-4CC

Restrictions/Controls & Freight Information | NSN 5305-00-771-6931

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
No Freight Information

Management | NSN 5305-00-771-6931

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 CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each