NSN 1240-01-204-5981 012045981
Product Details | OPTICAL ELEMENT SPACER
1240-01-204-5981 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: 012045981
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01-204-5981 | 22261 ( SPACER, OPTICAL ELEMENT ) |
Demand History | NSN 1240-01-204-5981
| Part Number | Request Date | QTY | Origin |
|---|---|---|---|
| 1240-01-204-5981 | 2009-02-54 | 44 | DIBBS |
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Technical Data | NSN 1240-01-204-5981
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T351 FED SPEC SINGLE MATERIAL RESPONSE |
| OVERALL LENGTH | 0.164 INCHES NOMINAL |
| STRAIGHT BORE INSIDE DIAMETER | 0.350 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 0.834 INCHES MAXIMUM |
| SPECIAL FEATURES | SAWSLOT 0.057 IN. WIDE,0.050 DEEP,DYED BLACK FINISH |
| MANUFACTURERS CODE | 19200 |
| DESIGN CONTROL REFERENCE | 8587342 |
Restrictions/Controls & Freight Information | NSN 1240-01-204-5981
| Category | Code | Description |
|---|---|---|
| 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 |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||