The Retainer,optical Element, cataloged under National Stock Number 6650-01-100-9964, 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 Army, United States Department of the Dba Watervliet Arsenal Div Business Development. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-100-9964 |
| Primary Part Number | 11584711 |
| Item Name | Retainer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Army, United States Department of the Dba Watervliet Arsenal Div Business Development |
| Status | ACTIVE |
| Style Designator | RECESSED |
| Setscrew Notch | PROVIDED |
| Recess Depth | 0.130 INCHES NOMINAL IN |
| Recess Diameter | 1.100 INCHES MINIMUM AND 1.102 INCHES MAXIMUM IN |
| Thread Size | 1.312-20UN |
| Guide Design | THREAD RELIEF |
| Internal Annular Serration | NOT PROVIDED |
| Material | ALUMINUM ALLOY 6061 |
| Hole Diameter | 1.000 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 11584711 PRIMARY | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
NSN 6650-01-100-9964 is a Retainer,optical Element, manufactured by Army, United States Department of the Dba Watervliet Arsenal Div Business Development, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-100-9964 has 1 manufacturer part number on file: 11584711 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development).
Key specifications for 11584711: Style Designator: RECESSED; Setscrew Notch: PROVIDED; Overall Length: 2.950 INCHES NOMINAL IN; Recess Depth: 0.130 INCHES NOMINAL IN. 9 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.