The Baffle,acoustic,sonar, cataloged under National Stock Number 5845-01-449-0972, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5845-01-449-0972 |
| Primary Part Number | 497A75705-2 |
| Item Name | Baffle,acoustic,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| General Characteristics Item Description | TILE,ACOUSTIC; MATL - PLASTIC SHEET MIL-P-18177 TYPE GEE AND, NATURAL RUBBER MIL-A-24485; SIZE, IN INCHES- 1.06 X 10.00 X 28.25 |
| 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 |
|---|---|
| 497A75705-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| BRC 5447-33 | 5/9 Secondary reference U.S. Government activity |
| BRC 5457-33 | 5/1 Secondary reference U.S. Government activity |
NSN 5845-01-449-0972 is a Baffle,acoustic,sonar, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-449-0972 has 1 manufacturer part number on file: 497A75705-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 497A75705-2: General Characteristics Item Description: TILE,ACOUSTIC; MATL - PLASTIC SHEET MIL-P-18177 TYPE GEE AND, NATURAL RUBBER MIL-A-24485; SIZE, IN INCHES- 1.06 X 10.00 X 28.25. 1 specification is 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.