The Sound Controlling Felt, cataloged under National Stock Number 1680-01-471-3265, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Foamex Ltd Parternship. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-471-3265 |
| Primary Part Number | AEROFONIC 6-700ZE FR-0.5 |
| Item Name | Sound Controlling Felt |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Foamex Ltd Parternship |
| Status | ACTIVE |
| General Characteristics Item Description | RETICULATED FELTED HYFONIC 1 FOAM DESIGNED FOR AIRCRAFT |
| Special Test Features | PASSES FAR 25.853(B); CLASSIFIED UL 94 HF 1 |
| Color | CHARCOAL |
| Functional Description | SOUND ABSORBER ON FIRESTOPS |
| Material | POLYETHER FOAM |
| 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 |
|---|---|
| AEROFONIC 6-700ZE FR-0.5 PRIMARY | Foamex Ltd Parternship (USA) |
| Reference | Meaning |
|---|---|
| AEROPHONIC 6-700ZE FR | 5/9 Secondary reference Foamex Lp |
| AEROFONIC 6-700ZE FR | D/9 Drawing number reference only Foamex Ltd Parternship |
NSN 1680-01-471-3265 is a Sound Controlling Felt, manufactured by Foamex Ltd Parternship, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-471-3265 has 1 manufacturer part number on file: AEROFONIC 6-700ZE FR-0.5 (Foamex Ltd Parternship).
Key specifications for AEROFONIC 6-700ZE FR-0.5: General Characteristics Item Description: RETICULATED FELTED HYFONIC 1 FOAM DESIGNED FOR AIRCRAFT; Special Test Features: PASSES FAR 25.853(B); CLASSIFIED UL 94 HF 1; Overall Length: 72.000 INCHES NOMINAL IN; Overall Width: 48.000 INCHES NOMINAL IN. 5 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.