The Lanyard Assembly,brake, cataloged under National Stock Number 3950-01-047-1841, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Appleton Marine 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-047-1841 |
| Primary Part Number | 2580170 |
| Item Name | Lanyard Assembly,brake |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| General Characteristics Item Description | C/O 2580228 PIN ASSY,POSITIVE LOCK;2580224 SHACKLE 0.500 IN. DIA,2580211-1 LANYARD ASSY 30 FT OR 2580211-2 LANYARD ASSY 15 FT,2580211-3 LANYARD ASSY 3 FT,U/O MK 11 CARGO DROP REEL 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 |
|---|---|
| 2580170 PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 2580170 | 3/2 Design control — primary reference U.S. Government activity |
| 2580170 | 5/9 Secondary reference Ball a C Co |
| 2580170 | 5/2 Secondary reference U.S. Government activity |
NSN 3950-01-047-1841 is a Lanyard Assembly,brake, manufactured by Appleton Marine Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-047-1841 has 1 manufacturer part number on file: 2580170 (Appleton Marine Inc).
1 possible match (shared part number, not a government interchangeability claim): 1290-01-106-2879. Verify interchangeability with system specifications before substitution.
Key specifications for 2580170: General Characteristics Item Description: C/O 2580228 PIN ASSY,POSITIVE LOCK;2580224 SHACKLE 0.500 IN. DIA,2580211-1 LANYARD ASSY 30 FT OR 2580211-2 LANYARD ASSY 15 FT,2580211-3 LANYARD ASSY 3 FT,U/O MK 11 CARGO DROP REEL 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.