The Drum,clutch, cataloged under National Stock Number 3950-01-167-3909, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3950-01-167-3909 |
| Primary Part Number | 4648153 |
| Item Name | Drum,clutch |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL CAST BRONZE,QQ-B-671,CL 3,HT TEMPER ANNEAL PER MIL-B-24480 PARA 3.3,HEIGHT 7.750 IN.,DIA OUTSIDE 18.000 IN. 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 |
|---|---|
| 4648153 PRIMARY | Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc (USA) |
| Reference | Meaning |
|---|---|
| 4648153 | 1/2 Source control — Government-approved source U.S. Government activity |
| 4648153 | 3/2 Design control — primary reference U.S. Government activity |
| 4648153 | 5/9 Secondary reference Ampco Metal Inc. Dba Ampco Metal Inc |
NSN 3950-01-167-3909 is a Drum,clutch, manufactured by Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-167-3909 has 1 manufacturer part number on file: 4648153 (Johnson Brass & Machine Foundry Inc Dba Johnson Brass & Machine Foundry Inc).
Key specifications for 4648153: General Characteristics Item Description: MATERIAL CAST BRONZE,QQ-B-671,CL 3,HT TEMPER ANNEAL PER MIL-B-24480 PARA 3.3,HEIGHT 7.750 IN.,DIA OUTSIDE 18.000 IN. 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.
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.