The Check Valve,damper, cataloged under National Stock Number 1680-00-602-4199, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-00-602-4199 |
| Item Name | Check Valve,damper |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER; 0.680 IN. LG; 0.187 IN. W; 0.004 IN. THK; TWO HOLES 0.086 IN. DIA,0.156 IN. FM CTR TO CTR DISTANCE BTWN BOLT HOLES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1025-807 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-00-602-4199 is a Check Valve,damper, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-00-602-4199: General Characteristics Item Description: COPPER; 0.680 IN. LG; 0.187 IN. W; 0.004 IN. THK; TWO HOLES 0.086 IN. DIA,0.156 IN. FM CTR TO CTR DISTANCE BTWN BOLT HOLES IN. 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.
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.