Product Details | OPTICAL ELEMENT SPACER

6650-01-052-1751 A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (AA). See also SPACER, SLEEVE and CELL, OPTICAL ELEMENT.

Part Alternates: 10549288, 6650-01-052-1751, 01-052-1751, 6650010521751, 010521751

Instruments and Laboratory Equipment | Optical Instruments, Test Equipment, Components and Accessories

Supply Group (FSG) NSN Assign. NIIN
66 11 DEC 1977 01-052-1751

Drawings & Photos | NSN 6650-01-052-1751


Cross Reference | NSN 6650-01-052-1751

Part Number Cage Code Manufacturer
10549288 19204 ARMY UNITED STATES DEPARTMENT OF THE

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Technical Data | NSN 6650-01-052-1751

Characteristic Specifications
MATERIAL ALUMINUM ALLOY
STYLE DESIGNATOR B8 SPACER
OVERALL LENGTH 0.641 INCHES NOMINAL
FLANGE WIDTH 0.235 INCHES NOMINAL
STRAIGHT BORE INSIDE DIAMETER 1.938 INCHES NOMINAL
STRAIGHT BORE DEPTH 0.641 INCHES NOMINAL
INTERNAL SHOULDER DIAMETER 1.938 INCHES NOMINAL
INTERNAL SHOULDER THICKNESS 0.320 INCHES NOMINAL
BODY DIAMETER 2.040 INCHES NOMINAL
BODY OUTSIDE DIAMETER 2.069 INCHES MAXIMUM
SPECIAL FEATURES SUFACE FINISH:ANODIC FILM,SULFURIC ACID,MIL-A-8625,TYPE II,CLASS 2,DYED BLACK
MANUFACTURERS CODE 19204
DESIGN CONTROL REFERENCE 10549288

Restrictions/Controls & Freight Information | NSN 6650-01-052-1751

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:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:NThe item does not have a critical feature such as tolerance, fit restrictions or application. Nuclear hardness properties have not been determined (not valid for input).
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 058110 OPTICAL GOODS OR INSTRUMENTS NOI
Less than car load rating D 200
Less than truck load rating D 200.0
Water commodity Code 744 unknown
Originating Activity Code BF U.S. Army Armament and Chemical Acquisition and
Logistics Activity
Rock Island, IL 61299-6000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity M Medical supplies, equipment, samples records, etc.
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 6650-01-052-1751

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code5Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code1Ammunition and Ordnance Materiel10; 11; 12; 13 except 1336, 1337, 1338; 2350; 3470; 4925; 4931; 4933; 6650
Echelon Management Code6ICP/DSSCs Weapon system-oriented consumable items assigned to another Service/Agency for integrated materiel management which are managed by the ICP on a complex basis and which have not been decontrolled by the Integrated Materiel Manager.
Source of SupplyB14US Army Armament and Chemical Acquisition and Logistics
Activity
ATTN: AMSTA-AC
Rock Island, IL 61299-6000
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
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
1
EA : Each