The Annunciator, cataloged under National Stock Number 6350-01-022-2657, is classified within Federal Supply Class 6350 (Miscellaneous Alarm, Signal, and Security Detection Systems) of the Alarm, Signal, and Security Detection Systems group. The manufacturer of record is Aircraft Instruments Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6350-01-022-2657 |
| Primary Part Number | 6250043 |
| Item Name | Annunciator |
| FSC / FSG | 6350 / 63 — Miscellaneous Alarm, Signal, and Security Detection Systems |
| Manufacturer | Aircraft Instruments Co |
| Status | ACTIVE |
| Visual Signal Type | LAMP |
| Relay Box Mounting | INTEGRAL |
| Signal Device Quantity | 3 |
| Mounting Configuration | AUXILIARY CORROSION RESISTANT MOUNTING HARDWARE CONSISTING OF ONE LOCKWASHER PER MS35333-44 AND ONE HEX NUT PER MS25082-2 |
| Special Markings | POSITION 1,RECTANGLE W/LETTERS MSL IMPRINTED IN CENTER W/0.156 TYPE,POSITION 2,RECTANGLE W/DIAGONAL STRIPES,POSITION 3,RECTANGLE W/LETTERS SEL IMPRINTED IN CENTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6250043 PRIMARY | Aircraft Instruments Co (USA) |
| Reference | Meaning |
|---|---|
| 924066-1C | 7/2 Vendor item drawing reference Palomar Products, Inc. |
| 924066 | 5/9 Secondary reference Palomar Products, Inc. |
NSN 6350-01-022-2657 is a Annunciator, manufactured by Aircraft Instruments Co, classified under FSC 6350, Miscellaneous Alarm, Signal, and Security Detection Systems. Status: active.
NSN 6350-01-022-2657 has 1 manufacturer part number on file: 6250043 (Aircraft Instruments Co).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-072-7857. Verify interchangeability with system specifications before substitution.
Key specifications for 6250043: Overall Height: 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN; Visual Signal Type: LAMP; Relay Box Mounting: INTEGRAL; Overall Length: 1.875 INCHES MAXIMUM IN. 5 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.
NSN 6350-01-022-2657 has DEMIL Code B. 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.