Spacer, Optical Element6650-00-903-4161

NSN 6650-00-903-4161 · NIIN 009034161

FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories · FSG 66 — Instruments and Laboratory Equipment

Government record, cited

Also searched as 6650-00-903-4161 · 6650009034161 · NIIN 009034161 · 00-903-4161 · FSC 6650 Optical Instruments, Test Equipment, Components and Accessories · SC-D-614391 · 13213E2333

Nearby stock numbers ← 6650-00-903-4151 · 6650-00-903-4202 Lens, Mirror →

Features

Spacer,optical Element — FSC 6650
FSC Application Data: NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION
Style Designator: SPACER
Straight Bore Inside Diameter: 5.570 INCHES NOMINAL IN
Material: ALUMINUM ALLOY 2024

Identification

NSN: 6650-00-903-4161
NIIN: 009034161
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
FSG: 66 — Instruments and Laboratory Equipment

General Description

The Spacer,optical Element, cataloged under National Stock Number 6650-00-903-4161, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	6650-00-903-4161
Item Name	Spacer,optical Element
FSC / FSG	6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories
Status	ACTIVE
FSC Application Data	NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION
Style Designator	SPACER
Straight Bore Inside Diameter	5.570 INCHES NOMINAL IN
Material	ALUMINUM ALLOY 2024

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
SC-D-614391	3/2 Design control — primary reference U.S. Government activity
13213E2333	5/2 Secondary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6650-00-000-0164

6650-00-000-0164 · Item name not on file

6650-00-001-2319

ARM,SHUTTER,SPECTROMETER

6650-00-001-2322

PLATE,MOUNTING,SPECTROMETER LAMP

6650-00-001-2323

LENS,OPTICAL INSTRUMENT

6650-00-001-2324

PLATE,SPECTROMETER DOOR

6650-00-001-2326

NOZZLE,AIR,SPECTROMETER

6650-00-001-2327

PLATE,LEFT,SPECTROMETER

6650-00-001-2328

6650-00-001-2328 · Item name not on file

Frequently Asked Questions

What is NSN 6650-00-903-4161?

NSN 6650-00-903-4161 is a Spacer,optical Element, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.

What are the specifications of 6650-00-903-4161?

Key specifications for 6650-00-903-4161: FSC Application Data: NIGHT VISION EQUIP. EMITTED AND REFLECTED RADIATION; Style Designator: SPACER; Overall Length: 1.537 INCHES MINIMUM AND 1.545 INCHES MAXIMUM IN; Straight Bore Inside Diameter: 5.570 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.

Is NSN 6650-00-903-4161 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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