The Fairlead,roller, cataloged under National Stock Number 3950-01-733-2103, 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. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Fairlead,roller |
| FSC / FSG | 3950 — Winches, Hoists, Cranes, and Derricks (FSG 39) |
| Manufacturers | Appleton Marine Inc (CAGE 70433) |
| Parameter | Value |
|---|---|
| NSN | 3950-01-733-2103 |
| Primary Part Number | MMD-7519 |
| Item Name | Fairlead,roller |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Appleton 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 |
|---|---|
| MMD-7519 PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| AMD-2874 ITEM 20 | C/1 Advisory reference — outside the item-of-supply concept Appleton Marine Inc |
| AMD-2874 | D/9 Drawing number reference only Appleton Marine Inc |
NSN 3950-01-733-2103 is a Fairlead,roller, manufactured by Appleton Marine Inc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-733-2103 has 1 manufacturer part number on file: MMD-7519 (Appleton Marine Inc).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-733-2131, 5330-01-733-2238, 5930-01-733-3502. Verify interchangeability with system specifications before substitution.
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.