The Pulley,whelped Groove, cataloged under National Stock Number 3950-01-503-0296, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Smith-Berger Marine, Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-503-0296 |
| Primary Part Number | D55421-002 |
| Item Name | Pulley,whelped Groove |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Smith-Berger Marine, Inc |
| 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 |
|---|---|
| D55421-002 PRIMARY | Smith-Berger Marine, Inc (USA) |
NSN 3950-01-503-0296 is a Pulley,whelped Groove, manufactured by Smith-Berger Marine, Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-503-0296 has 1 manufacturer part number on file: D55421-002 (Smith-Berger Marine, Inc).
Key specifications for D55421-002: End Item Identification: WINCH, OCEANOGRAPHIC; P/N 712178100; USED ONBOARD 420 FT WAGB COAST GUARD VESSELS FT. 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.