NSN 1240-01-076-1997 010761997
Product Details | OPTICAL ELEMENT SPACER
1240-01-076-1997 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: 010761997
Fire Control Equipment | Optical Sighting and Ranging Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 12 | 01-076-1997 | 22261 ( SPACER, OPTICAL ELEMENT ) |
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Related Products | NSN 1240-01-076-1997
Technical Data | NSN 1240-01-076-1997
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 6061 |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE TREATMENT | ANODIZE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| OVERALL LENGTH | 0.559 INCHES NOMINAL |
| FLANGE WIDTH | 0.230 INCHES NOMINAL |
| BODY DIAMETER | 3.090 INCHES NOMINAL |
| BODY OUTSIDE DIAMETER | 3.158 INCHES MAXIMUM |
| TAPER BORE MAJOR DIAMETER | 3.066 INCHES MAXIMUM |
| TAPER BORE MINOR DIAMETER | 2.745 INCHES MAXIMUM |
| TAPER ANGLE | 16.0 DEGREES NOMINAL |
| SPECIAL FEATURES | SPACER-NO. 1,EYEPIECE; BLACK; 4 SLOTS 0.060 IN. WIDE BY 0.050 IN. DEEP; 0.081 IN. THROUGH HOLE WITH CENTER 0.290 IN. FROM TAPERED BORE EDGE; ESTABLISH LENGTH BY MEASURING SEPARATION BETWEEN REFERENCE SPHERE 1.990 RADIUS AND SURFACE B (REFERENCE RADIUS LOCATED 0.010 IN. FROM B EDGE) |
| III END ITEM IDENTIFICATION | M901 |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 12266753 |
Restrictions/Controls & Freight Information | NSN 1240-01-076-1997
| 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 | ||