The Seat,ball, cataloged under National Stock Number 1650-00-970-9976, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-970-9976 |
| Primary Part Number | 128HM10168-1 |
| Item Name | Seat,ball |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,QQ-S-763 CLASS 6,1.062 IN. LG; 1.493 IN. DIA; 1.000-20 UNEF-3B THREEAD,HEXAGON WRENCHING FEATURES 1.312 IN. ACROSS FLATS IN |
| 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 |
|---|---|
| 128HM10168-1 | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport (USA) |
| 128HN10168-1 | Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport (USA) |
| 128HM10168-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128HM10168-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1650-00-970-9976 is a Seat,ball, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-970-9976 has 3 manufacturer part numbers on file: 128HM10168-1 (Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport), 128HN10168-1 (Triumph Actuation Systems, Llc Div Triumph Actuation Systems - Freeport), 128HM10168-1 (Northrop Grumman Systems Corporation).
Key specifications for 128HM10168-1: General Characteristics Item Description: CRES,QQ-S-763 CLASS 6,1.062 IN. LG; 1.493 IN. DIA; 1.000-20 UNEF-3B THREEAD,HEXAGON WRENCHING FEATURES 1.312 IN. ACROSS FLATS 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.
NSN 1650-00-970-9976 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.