The Brake Assembly,trolley, cataloged under National Stock Number 3950-01-420-8439, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3950-01-420-8439 |
| Primary Part Number | C99S12429-1 |
| Item Name | Brake Assembly,trolley |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| C99S12429-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| C99S12429 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| C99S12429 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| C99S12429-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 3950-01-420-8439 is a Brake Assembly,trolley, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-420-8439 has 2 manufacturer part numbers on file: C99S12429-1 (Northrop Grumman Systems Corporation), C99S12429 (Northrop Grumman Systems Corporation).
Key specifications for C99S12429-1: Special Features: BRAKE ASSEMBLY,VAPER CYCLE UNIT TROLLEY; End Item Identification: 3950-01-373-1836; WEAPON SYSTEM E/I JOINT STARS PROGRAM. 0 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.