The Silencer,duct, cataloged under National Stock Number 2040-01-087-7465, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. The manufacturer of record is Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2040-01-087-7465 |
| Primary Part Number | E-7527-738-1 |
| Item Name | Silencer,duct |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Manufacturer | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics |
| Status | ACTIVE |
| 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 |
|---|---|
| E-7527-738-1 PRIMARY | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics (USA) |
| 19-80-0994 | Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics (USA) |
| Reference | Meaning |
|---|---|
| 19-80-0994 | 5/9 Secondary reference U.S. Government activity |
| 19-80-3061 | 5/2 Secondary reference U.S. Government activity |
NSN 2040-01-087-7465 is a Silencer,duct, manufactured by Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
NSN 2040-01-087-7465 has 2 manufacturer part numbers on file: E-7527-738-1 (Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics), 19-80-0994 (Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics).
Key specifications for E-7527-738-1: End Item Identification: VENTILATION SYS-VH. 0 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.