The Chain,leaf, cataloged under National Stock Number 3020-01-270-4967, 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 Manitou North America Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 3020-01-270-4967 |
| Primary Part Number | R34-79B |
| Item Name | Chain,leaf |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Manitou North America Inc |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.1250 INCHES IN |
| Link Style | 3 X 4 |
| Link Nominal Width | 0.8750 INCHES IN |
| Link Pin Nominal Diameter | 0.3120 INCHES IN |
| Effective Length | 0.4583 FEET NOMINAL FT |
| Nominal Pitch Distance | 0.750 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Plate Width | 0.719 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 |
|---|---|
| R34-79B PRIMARY | Manitou North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 27606 | 5/9 Secondary reference Landoll Corporation Dba Landoll Corporation Drexel Division Div Drexel |
NSN 3020-01-270-4967 is a Chain,leaf, manufactured by Manitou North America Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-270-4967 has 1 manufacturer part number on file: R34-79B (Manitou North America Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-363-9120, 3040-01-367-0175, 5340-01-683-0103. Verify interchangeability with system specifications before substitution.
Key specifications for R34-79B: Link Plate Nominal Thickness: 0.1250 INCHES IN; Link Style: 3 X 4; Link Nominal Width: 0.8750 INCHES IN; Link Pin Nominal Diameter: 0.3120 INCHES IN. 9 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.