The Cylinder Sleeve, cataloged under National Stock Number 1650-01-272-6617, 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 Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-01-272-6617 |
| Primary Part Number | 123HM10001-1 |
| Item Name | Cylinder Sleeve |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123HM10001-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123HM10001-1 | 5/9 Secondary reference Tek Precision Co Limited |
| 123HM10001-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1650-01-272-6617 is a Cylinder Sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-272-6617 has 1 manufacturer part number on file: 123HM10001-1 (Northrop Grumman Systems Corporation).
Key specifications for 123HM10001-1: Special Features: STEEL,CORROSION RESISTING, QQ-S-763 CL10; PASSIVATE, MIL-S-5002; 1.910 IN. MIN AND 1.914 MAX LG; 0.923 IN. MIN AND 0.924 IN. MAX OD; 0.5525 IN. MIN AND 0.5530 IN. MAX ID; TWO HOLES 0.124 IN. MIN AND 0.126 IN. MAX MAX DIA LOCATED 90 DEG APART; EIGHT HOLES 0.076 IN. MIN AND 0.080 IN. MAX DIA IN; Material: STEEL CORROSION RESISTING. 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 1650-01-272-6617 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.