The Coupling,shaft,flexible, cataloged under National Stock Number 3010-01-116-3984, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-116-3984 |
| Primary Part Number | GC550LB22 |
| Item Name | Coupling,shaft,flexible |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Bore Shape | STRAIGHT BOTH ENDS |
| Bore Diameter | 0.1250 INCHES NOMINAL BOTH ENDS 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 |
|---|---|
| GC550LB22 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| AP1530-22-L | 3/2 Design control — primary reference U.S. Government activity |
NSN 3010-01-116-3984 is a Coupling,shaft,flexible, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-116-3984 has 1 manufacturer part number on file: GC550LB22 (Northrop Grumman Systems Corporation).
Key specifications for GC550LB22: Bore Shape: STRAIGHT BOTH ENDS; Bore Diameter: 0.1250 INCHES NOMINAL BOTH ENDS IN. 2 specifications are 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.