The Scale,diopter, cataloged under National Stock Number 6650-01-381-2117, 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 Dept of the Army U S Army Electronics Command Night Vision Laboratory. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-381-2117 |
| Primary Part Number | 5009551 |
| Item Name | Scale,diopter |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Dept of the Army U S Army Electronics Command Night Vision Laboratory |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5009551 PRIMARY | Dept of the Army U S Army Electronics Command Night Vision Laboratory (USA) |
| Reference | Meaning |
|---|---|
| 500951 | 5/9 Secondary reference Elbit Systems of America - Night Vision Llc |
| 5009551 | 5/1 Secondary reference Elbit Systems of America - Night Vision Llc |
| 207551-100 | 5/9 Secondary reference L3 Technologies, Inc. |
| 500951 | 5/9 Secondary reference L3 Technologies, Inc. |
| 6650PL0743481 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5009551 | 5/1 Secondary reference L3 Technologies, Inc. |
NSN 6650-01-381-2117 is a Scale,diopter, manufactured by Dept of the Army U S Army Electronics Command Night Vision Laboratory, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-381-2117 has 1 manufacturer part number on file: 5009551 (Dept of the Army U S Army Electronics Command Night Vision Laboratory).
1 possible match (shared part number, not a government interchangeability claim): 2925-01-506-3218. Verify interchangeability with system specifications before substitution.
Key specifications for 5009551: Special Features: AN/AVS6. 0 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.
NSN 6650-01-381-2117 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.