Filter, Neutral Density5821-01-320-4459

NSN 5821-01-320-4459 · NIIN 013204459

FSC 5821 — Radio and Television Communication Equipment, Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment

Government record, cited

Also searched as 5821-01-320-4459 · 5821013204459 · NIIN 013204459 · 01-320-4459 · FSC 5821 Radio and Television Communication Equipment, Airborne · 1813/22ND-7 · 262-1296-800

Nearby stock numbers ← 5821-01-320-3339 Receiver, Radio · 5821-01-320-6672 Indicator, Bezel →

Features

Filter,neutral Density — FSC 5821
Overall Thickness: 0.114 INCHES NOMINAL IN
Material Document and Classification: ZZ-R-765, CLASS 3, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE
Material: RUBBER SILICONE CLASS Q
Light Transmission Rating in Percent: 44.0

Identification

NSN: 5821-01-320-4459
NIIN: 013204459
FSC: 5821 — Radio and Television Communication Equipment, Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment

General Description

The Filter,neutral Density, cataloged under National Stock Number 5821-01-320-4459, is classified within Federal Supply Class 5821 (Radio and Television Communication Equipment, Airborne) of the Communication, Detection, and Coherent Radiation 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4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	5821-01-320-4459
Item Name	Filter,neutral Density
FSC / FSG	5821 / 58 — Radio and Television Communication Equipment, Airborne
Status	ACTIVE
Overall Thickness	0.114 INCHES NOMINAL IN
Material Document and Classification	ZZ-R-765, CLASS 3, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE
Material	RUBBER SILICONE CLASS Q
Light Transmission Rating in Percent	44.0

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
1813/22ND-7	3/2 Design control — primary reference U.S. Government activity
262-1296-800	7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems

No interchangeability data on file.

Other items in FSC 5821 — Radio and Television Communication Equipment, Airborne

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

5821-00-001-1888

5821-00-001-1888 · Item name not on file

5821-00-001-1893

TUNER,RADIO FREQUENCY

5821-00-001-1894

TUNER,RADIO FREQUENCY

5821-00-001-1895

TUNER,RADIO FREQUENCY

5821-00-001-1896

5821-00-001-1896 · Item name not on file

5821-00-001-1897

5821-00-001-1897 · Item name not on file

5821-00-001-1898

TUNER,RADIO FREQUENCY

5821-00-001-2755

MEMORY ASSEMBLY,RADIO SET

Frequently Asked Questions

What is NSN 5821-01-320-4459?

NSN 5821-01-320-4459 is a Filter,neutral Density, classified under FSC 5821, Radio and Television Communication Equipment, Airborne. Status: active.

What are the specifications of 5821-01-320-4459?

Key specifications for 5821-01-320-4459: Overall Thickness: 0.114 INCHES NOMINAL IN; Material Document and Classification: ZZ-R-765, CLASS 3, GRADE 50 FED SPEC 1ST MATERIAL RESPONSE; Overall Length: 0.304 INCHES NOMINAL IN; Material: RUBBER SILICONE CLASS Q. 4 specifications are documented in the U.S. Government catalog.

Is NSN 5821-01-320-4459 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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