The Retainer,flat, cataloged under National Stock Number 1650-01-034-3720, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-034-3720 |
| Item Name | Retainer,flat |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS 5122 OR AISI 1095; HARDEN TO ROCKWELL C 47.0 TO 52.0; 0.688 IN. LG,0.376 IN. W,0.032 IN. THICK; 0.188 IN. RADIUS BOTH ENDS; 0.260 IN. DIA HOLE,0.188 IN. HOLE CENTER TO END,ONE END ONLY IN |
| 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 |
|---|---|
| 699871 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-034-3720 is a Retainer,flat, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-034-3720: General Characteristics Item Description: STEEL,AMS 5122 OR AISI 1095; HARDEN TO ROCKWELL C 47.0 TO 52.0; 0.688 IN. LG,0.376 IN. W,0.032 IN. THICK; 0.188 IN. RADIUS BOTH ENDS; 0.260 IN. DIA HOLE,0.188 IN. HOLE CENTER TO END,ONE END ONLY IN; End Item Identification: E3A AIRCRAFT. 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 1650-01-034-3720 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.