The Piston,pneumatic Brake, cataloged under National Stock Number 3950-01-307-2929, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Ingersoll-Rand Co Power Tool Div. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3950-01-307-2929 |
| Primary Part Number | ML50K-A809 |
| Item Name | Piston,pneumatic Brake |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Ingersoll-Rand Co Power Tool Div |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ALLOY |
| 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 |
|---|---|
| ML50K-A809 PRIMARY | Ingersoll-Rand Co Power Tool Div (USA) |
| Reference | Meaning |
|---|---|
| ML50K-K809 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ML50K-A809 | C/1 Advisory reference — outside the item-of-supply concept Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| ML50K-K809 | 5/9 Secondary reference Ingersoll-Rand Co Power Tool Div |
NSN 3950-01-307-2929 is a Piston,pneumatic Brake, manufactured by Ingersoll-Rand Co Power Tool Div, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-307-2929 has 1 manufacturer part number on file: ML50K-A809 (Ingersoll-Rand Co Power Tool Div).
Key specifications for ML50K-A809: General Characteristics Item Description: COPPER ALLOY; End Item Identification: INGERSOLL-RAND MODELS ML250K,ML500K,ML1000K,ML250KR AND ML500KR PNEUMATIC CHAIN HOISTS. 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.