The Cap,lens, cataloged under National Stock Number 6650-00-763-9082, 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 Sonfarrel Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-00-763-9082 |
| Primary Part Number | 4212588 |
| Item Name | Cap,lens |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Sonfarrel Inc. |
| Status | ACTIVE |
| FSC Application Data | 1. SIGHTS,GUN-B'MB-ROCKET,AIRCRAFT |
| Liner | NOT FURNISHED |
| Diameter | 3.820 INCHES NOMINAL IN |
| Special Markings | MARKED REMOVE BEFORE USE |
| Material | PLASTIC |
| Mounting Provision | SLIP ON MTG |
| 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 |
|---|---|
| 4212588 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| 4212588 PRIMARY | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4212588 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 6650-00-763-9082 is a Cap,lens, manufactured by Sonfarrel Inc., classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-763-9082 has 2 manufacturer part numbers on file: 4212588 (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems), 4212588 (Sonfarrel Inc.).
Key specifications for 4212588: FSC Application Data: 1. SIGHTS,GUN-B'MB-ROCKET,AIRCRAFT; Liner: NOT FURNISHED; Diameter: 3.820 INCHES NOMINAL IN; Special Markings: MARKED REMOVE BEFORE USE. 6 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.