The Chain,leaf, cataloged under National Stock Number 3020-01-252-8451, 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 Tcm America, Inc Sc. Government technical data includes 10 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-252-8451 |
| Primary Part Number | 23918-45631 |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tcm America, Inc Sc |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.1562 INCHES IN |
| Link Style | 2 X 3 |
| Link Nominal Width | 0.7810 INCHES IN |
| Link Pin Nominal Diameter | 0.3750 INCHES IN |
| Effective Length | 5.2500 FEET NOMINAL FT |
| Nominal Pitch Distance | 1.000 INCHES IN |
| Pin Fastening Method | RIVETED |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 0.953 INCHES NOMINAL 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 |
|---|---|
| 23918-45631 PRIMARY | Tcm America, Inc Sc (USA) |
NSN 3020-01-252-8451 is a Chain,leaf, manufactured by Tcm America, Inc Sc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-252-8451 has 1 manufacturer part number on file: 23918-45631 (Tcm America, Inc Sc).
Key specifications for 23918-45631: Link Plate Nominal Thickness: 0.1562 INCHES IN; Link Style: 2 X 3; Link Nominal Width: 0.7810 INCHES IN; Link Pin Nominal Diameter: 0.3750 INCHES IN. 10 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.