The Baffle,acoustic,sonar, cataloged under National Stock Number 5845-01-434-2254, is classified within Federal Supply Class 5845 (Underwater Sound Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Westland Technologies, Inc. Dba Westland Technologies Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5845-01-434-2254 |
| Primary Part Number | 5457-0027 |
| Item Name | Baffle,acoustic,sonar |
| FSC / FSG | 5845 / 58 — Underwater Sound Equipment |
| Manufacturer | Westland Technologies, Inc. Dba Westland Technologies Inc |
| Status | ACTIVE |
| General Characteristics Item Description | OVERLAY OF BOTH PRODUCTS;TOTAL WEIGHT SHALL BE 1.72 POUNDS;MATL IS RUBBER,PLASTIC SHEETING AND ADHESIVE LBS |
| 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 |
|---|---|
| 5457-0027 PRIMARY | Westland Technologies, Inc. Dba Westland Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 497A63906-1 | 5/9 Secondary reference Oil States Industries, Inc. Div Special Products Div |
| 497A63906-1 | 5/9 Secondary reference U.S. Government activity |
| 497A63907-1 | 3/1 Design control — primary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
NSN 5845-01-434-2254 is a Baffle,acoustic,sonar, manufactured by Westland Technologies, Inc. Dba Westland Technologies Inc, classified under FSC 5845, Underwater Sound Equipment. Status: active.
NSN 5845-01-434-2254 has 1 manufacturer part number on file: 5457-0027 (Westland Technologies, Inc. Dba Westland Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 5845-01-449-0980. Verify interchangeability with system specifications before substitution.
Key specifications for 5457-0027: General Characteristics Item Description: OVERLAY OF BOTH PRODUCTS;TOTAL WEIGHT SHALL BE 1.72 POUNDS;MATL IS RUBBER,PLASTIC SHEETING AND ADHESIVE LBS; Part Name Assigned by Controlling Agency: TILE,ACOUSTIC. 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.