The Detector,rpm Limit, cataloged under National Stock Number 6340-01-135-5656, is classified within Federal Supply Class 6340 (Aircraft Alarm and Signal Systems) of the Alarm, Signal, and Security Detection Systems group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6340-01-135-5656 |
| Item Name | Detector,rpm Limit |
| FSC / FSG | 6340 / 63 — Aircraft Alarm and Signal Systems |
| Status | ACTIVE |
| General Characteristics Item Description | DETECTOR HAS THREE VISUAL SIGNALS WHICH INDICATE LOW ENGINE RPM,LOW MAIN ROTOR RPM AND HIGH MAIN ROTOR RPM PLUS AN AUDIO SIGNAL FOR LOW ROTOR RPM |
| 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 |
| Reference | Meaning |
|---|---|
| 205-075-388-013 | 5/2 Secondary reference U.S. Government activity |
| 1704-1001-3 | 3/9 Design control — primary reference U.S. Government activity |
| 205-075-388-13 | 5/2 Secondary reference U.S. Government activity |
NSN 6340-01-135-5656 is a Detector,rpm Limit, classified under FSC 6340, Aircraft Alarm and Signal Systems. Status: active.
Key specifications for 6340-01-135-5656: General Characteristics Item Description: DETECTOR HAS THREE VISUAL SIGNALS WHICH INDICATE LOW ENGINE RPM,LOW MAIN ROTOR RPM AND HIGH MAIN ROTOR RPM PLUS AN AUDIO SIGNAL FOR LOW ROTOR RPM; End Item Identification: H-1 IROQUOIS. 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.
NSN 6340-01-135-5656 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.