NSN 1240-00-931-8901 7791929, 00-931-8901, 009318901
Product Details | OPTICAL ELEMENT RETAINING RING
1240-00-931-8901 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: 7791929, 1240-00-931-8901, 00-931-8901, 1240009318901, 009318901
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 29 APR 1968 | 00-931-8901 | 22585 ( RING, RETAINING, OPTICAL ELEMENT ) |
Cross Reference | NSN 1240-00-931-8901
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7791929 | 19200 | US ARMY ARDEC RDECOM |
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Related Products | NSN 1240-00-931-8901
Technical Data | NSN 1240-00-931-8901
| Characteristic | Specifications |
|---|---|
| MATERIAL | BRASS,QQ-B-626,COMP 360,1/2H |
| SURFACE TREATMENT | BLACK OXIDE,MIL-F-495 |
| THREAD LOCATION | INTERNAL |
| THREAD SIZE | 1.312 IN.-48 |
| SCREW THREAD SERIES DESIGNATOR | UNS |
| THREAD CLASS | 3B |
| THREAD LENGTH | 0.200 INCHES |
| THREAD DIRECTION | RIGHT-HAND |
| OVERALL LENGTH | 0.340 INCHES MINIMUM AND 0.341 INCHES MAXIMUM |
| OUTSIDE DIAMETER | 1.377 INCHES MINIMUM AND 1.385 INCHES MAXIMUM |
| INTERNAL FLANGE THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| INNER GROOVE WIDTH | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| GROOVE DIAMETER | 1.322 INCHES MINIMUM AND 1.330 INCHES MAXIMUM |
| GROOVE LOCATION | ADJACENT TO INTERNAL FLANGE |
| SPECIAL FEATURES | DRILLED FACE DRIVE TYPE,TWO 0.077 IN. DIA. HOLES SPACED 180 DEG APART ON A 1.156 IN. BOLT CIRCLE DIA. ON INTERNAL FLANGE END. |
| III FSC APPLICATION DATA | SIGHT,REFLEX |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 7791929 |
Restrictions/Controls & Freight Information | NSN 1240-00-931-8901
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Demilitarization Code: | B | Munitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.) |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Precious Metals Indicator Code: | A | Item 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: | 0 | Represents 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 SUB 9 |
| Less than car load rating | D | 200 |
| Less than truck load rating | Q | 70.0 |
| Water commodity Code | 713 | unknown |
| Originating Activity Code | BG | RDECOM-ECBC-RI Rock Island, IL 61299 |
| 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 1240-00-931-8901
Army
Navy| Category | Code | Description |
|---|---|---|
| Materiel Category and Inventory Manager | Q | Electronics Materiel (DLA/GSA Items) |
| Appropriation and Budget Activity | 2 | Stock Fund Secondary Items |
| Management Inventory Segment | 2 | NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable. |
| Specific Group/Generic Code | 0 | Medical Materiel |
| Weapons Systems/End Item or Homogeneous Group | 00 | DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item |
| Accounting Requirements Code | X | Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items. |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DA | Department of the Army |
| Service Organization | A | U.S. Army |
| Reparability | Z | This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item. |
| Acquisition Advice Codes | J | NOT 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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |
| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | V | TERMINAL 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 Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |