The Trough Cover Aft Rh, cataloged under National Stock Number 1720-01-271-1474, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1720-01-271-1474 |
| Item Name | Trough Cover Aft Rh |
| FSC / FSG | 1720 / 17 — Aircraft Launching Equipment |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 625574-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1720-01-271-1474 is a Trough Cover Aft Rh, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
Key specifications for 1720-01-271-1474: Criticality Code Justification: FEAT; Special Features: ITEMS ARE BEING CODED AS CRITICAL TO INSURE SOURCE INSPECTION WILL BE PERFORMED AT THE POINT OF MANUFACTURE, PRIOR TO MATERIAL RECEIPT BY THE US NAVY OR OTHER DOD COMPONENTS. THESE ITEMS ARE PIECE PARTS OR END ITEMS IN SUPPORT OF VITAL MILITARY HARDWARE NECESSARY TO SUSTAIN THE SUCCESSFUL MISSION OF THE SHIPS, SUBMARINES, AND SHORE STATIONS OF THE US NAVY. CRITICAL FEATURES INCLUDING, BUT NOT LIMITED TO, DIMENSIONS, TOLERANCES/CLEARANCES, ELECTRONIC CHARACTERISTICS, AND METALLURGICAL PROPERTIES WILL BESPECIFIED FOR GOVERNMENT Q AR (QUALITY ASSURANCE REPRESENTATIVES) TO INSURE THE HIGHEST POSSIBLE DEGREE OF QUALITY AND RELIABILITY OF THESE PARTS BEING DELIVERED UNDER NAVICP CONTRACTS; End Item Identification: CV 68 AIRCRAFT CATAPULT. 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 1720-01-271-1474 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.