The Link,detachable Link Chain, cataloged under National Stock Number 3020-01-431-7435, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Macgregor Sweden Ab. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-431-7435 |
| Primary Part Number | 5250201 |
| Item Name | Link,detachable Link Chain |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Macgregor Sweden Ab |
| Status | ACTIVE |
| Nominal Pitch Distance | 0.500 INCHES 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 |
|---|---|
| 5250201 PRIMARY | Macgregor Sweden Ab (SWE) |
| Reference | Meaning |
|---|---|
| 5250201 | 5/9 Secondary reference Tts Marine Ab |
| 5250201 | 3/9 Design control — primary reference Tts Marine Ab Formerly Tts Ships Equipment Ab Div Dry Cargo Handling |
| 5250201 | 5/9 Secondary reference Hamworthy Kse Ab |
NSN 3020-01-431-7435 is a Link,detachable Link Chain, manufactured by Macgregor Sweden Ab, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-431-7435 has 1 manufacturer part number on file: 5250201 (Macgregor Sweden Ab).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-439-6475. Verify interchangeability with system specifications before substitution.
Key specifications for 5250201: Nominal Pitch Distance: 0.500 INCHES IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 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.