The Mount,calibration Set, cataloged under National Stock Number 6605-01-519-4306, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Firstmark Aerospace Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-519-4306 |
| Primary Part Number | 2592578 |
| Item Name | Mount,calibration Set |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Firstmark Aerospace Corp |
| Status | ACTIVE |
| Color | BLACK |
| Surface Treatment | PAINT |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2592578 PRIMARY | Firstmark Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 2592578 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell International |
NSN 6605-01-519-4306 is a Mount,calibration Set, manufactured by Firstmark Aerospace Corp, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-519-4306 has 1 manufacturer part number on file: 2592578 (Firstmark Aerospace Corp).
Key specifications for 2592578: Color: BLACK; Special Features: MATERIAL 5052-H32; MATERIAL THICKNESS 0.090 INCH NOMINAL; BEFORE PAINT MOUNT RECEIVES CHEMICAL CONVERSION COATING PER MIL-C-5541, CLASS 1A; PAINT LUSTERLUSS FINISH A; Surface Treatment: PAINT; End Item Identification: 6605-00-782-0281. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.