The Spacer,optical Element, cataloged under National Stock Number 6650-01-076-1997, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-076-1997 |
| Primary Part Number | 12266753 |
| Item Name | Spacer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Diameter | 3.090 INCHES NOMINAL IN |
| Taper Bore Minor Diameter | 2.745 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Body Outside Diameter | 3.158 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/8,T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Taper Bore Major Diameter | 3.066 INCHES MAXIMUM IN |
| Taper Angle | 16.0 DEGREES NOMINAL |
| Surface Treatment | ANODIZE |
| Flange Width | 0.230 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12266753 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12266753 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 6650-01-076-1997 is a Spacer,optical Element, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-076-1997 has 1 manufacturer part number on file: 12266753 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 12266753: Body Diameter: 3.090 INCHES NOMINAL IN; Taper Bore Minor Diameter: 2.745 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE; Body Outside Diameter: 3.158 INCHES MAXIMUM IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.