The Panel Assembly,gaug, cataloged under National Stock Number 1680-01-453-7591, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Airco Industries, Inc. Dba Photo Etch Div Photo Etch. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1680-01-453-7591 |
| Primary Part Number | 42496-1 |
| Item Name | Panel Assembly,gaug |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Airco Industries, Inc. Dba Photo Etch Div Photo Etch |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42496-1 PRIMARY | Airco Industries, Inc. Dba Photo Etch Div Photo Etch (USA) |
| 2015-0009 PRIMARY | Aeropanel, Llc (USA) |
| Reference | Meaning |
|---|---|
| 42496-1 | 5/9 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 42496-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 1680-01-453-7591 is a Panel Assembly,gaug, manufactured by Airco Industries, Inc. Dba Photo Etch Div Photo Etch, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-453-7591 has 2 manufacturer part numbers on file: 42496-1 (Airco Industries, Inc. Dba Photo Etch Div Photo Etch), 2015-0009 (Aeropanel, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-619-6971. Verify interchangeability with system specifications before substitution.
Key specifications for 42496-1: End Item Identification: UH-1 HELICOPTER. 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.
NSN 1680-01-453-7591 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.