Product Details | OPTICAL ELEMENT RETAINING RING

1240-00-026-8107 A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see RETAINER, OPTICAL ELEMENT. Excludes CELL, OPTICAL ELEMENT; NUT, PLAIN KNURLED; NUT, PLAIN ROUND; and RING, RETAINING.20312400038Optical Sighting and Ranging Equipment58550055Night Vision Equipment, Emitted and Reflected Radiation66500063Optical Instruments, Test Equipment, Components and Accessories

Part Alternates: 215292PC2, 1240-00-026-8107, 00-026-8107, 1240000268107, 000268107

Fire Control Equipment | Optical Sighting and Ranging Equipment

Supply Group (FSG) NSN Assign. NIIN
12 01 JAN 1963 00-026-8107

Cross Reference | NSN 1240-00-026-8107

Part Number Cage Code Manufacturer
215292PC2 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT

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Technical Data | NSN 1240-00-026-8107

Characteristic Specifications
MATERIAL COPPER
SURFACE TREATMENT DULL BLACK
THREAD LOCATION INTERNAL
THREAD SIZE 5-20
SCREW THREAD SERIES DESIGNATOR UNS
THREAD CLASS 3B
THREAD LENGTH 0.400 INCHES
THREAD DIRECTION RIGHT-HAND
OVERALL LENGTH 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
OUTSIDE DIAMETER 5.240 INCHES MINIMUM AND 5.260 INCHES MAXIMUM
INTERNAL FLANGE THICKNESS 0.140 INCHES NOMINAL
INNER GROOVE WIDTH 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM
GROOVE LOCATION INSIDE FACE OF FLANGE
III END ITEM IDENTIFICATION TELESCOPE MK60

Restrictions/Controls & Freight Information | NSN 1240-00-026-8107

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 095190 HARDWARE, NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 657 unknown
Originating Activity Code XX
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity E Engineer supplies, other than those listed under code B.
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 1240-00-026-8107

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each