The Retainer,head,cylinder, cataloged under National Stock Number 1650-00-868-0177, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Grindley Manufacturing Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-868-0177 |
| Primary Part Number | 841544 |
| Item Name | Retainer,head,cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Grindley Manufacturing Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,ANODIZED,1.880 IN. OD,0.330 IN. THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 841544 | Grindley Manufacturing Inc. (USA) |
| Reference | Meaning |
|---|---|
| 841544 | C/1 Advisory reference — outside the item-of-supply concept Drs Environmental Systems Inc |
| 841544 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 841544 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 1650-00-868-0177 is a Retainer,head,cylinder, manufactured by Grindley Manufacturing Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-868-0177 has 1 manufacturer part number on file: 841544 (Grindley Manufacturing Inc.).
Key specifications for 841544: General Characteristics Item Description: ALUMINUM ALLOY,ANODIZED,1.880 IN. OD,0.330 IN. THK 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.