The Chain,roller, cataloged under National Stock Number 3020-01-446-6412, 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 Rexnord Holdings Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-446-6412 |
| Primary Part Number | NO. 40 336 PITCHES |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Rexnord Holdings Inc |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.1560 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0600 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.3125 INCHES IN |
| Pin Overall Length | 0.6300 INCHES NOMINAL IN |
| Second Chain Link Style | PIN |
| Effective Length | 168.0000 INCHES NOMINAL IN |
| Second Chain Link Nominal Width Between Plates | 0.4325 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 0.5000 INCHES IN |
| First Chain Link Plate Width | 0.4660 INCHES NOMINAL IN |
| Pin Fastening Method | COTTER PIN |
| Second Chain Link Plate Width | 0.4100 INCHES NOMINAL IN |
| Minimum Tensile Strength | 3700 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.3125 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0600 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 |
|---|---|
| NO. 40 336 PITCHES PRIMARY | Rexnord Holdings Inc (USA) |
| AIN/0720 603557 | Daimler Truck North America Llc (USA) |
| NO. 40 336 PITCHES PRIMARY | Emerson Electric Co Browning Mfg Div (USA) |
| 0720-603557 | Aero Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| NO. 40 336 PITCHES | 5/9 Secondary reference Rexnord Industries Inc. Div Roller Chain Operation |
| NO.40 336 PITCHES | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| NO. 40 336 PITCHES | 5/9 Secondary reference The Charles Machine Works Inc Dba Ditch Witch |
| B29.1M NO.40 336 PITCHES | 5/2 Secondary reference U.S. Government activity |
NSN 3020-01-446-6412 is a Chain,roller, manufactured by Rexnord Holdings Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-446-6412 has 4 manufacturer part numbers on file: NO. 40 336 PITCHES (Rexnord Holdings Inc), AIN/0720 603557 (Daimler Truck North America Llc), NO. 40 336 PITCHES (Emerson Electric Co Browning Mfg Div), 0720-603557 (Aero Industries Inc).
Key specifications for NO. 40 336 PITCHES: Second Chain Link Pin Nominal Diameter: 0.1560 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0600 INCHES IN; First Chain Link Roller Nominal Diameter: 0.3125 INCHES IN; Pin Overall Length: 0.6300 INCHES NOMINAL IN. 17 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.