The Chain,silent, cataloged under National Stock Number 3020-00-294-6067, 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 L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-294-6067 |
| Primary Part Number | A1021611-2 |
| Item Name | Chain,silent |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Link Style | DUPLEX |
| Link Nominal Width | 0.2190 INCHES IN |
| Effective Length | 1.3473 FEET NOMINAL FT |
| Pin Fastening Method | RIVETED |
| Link Row Quantity | 4 |
| Material | STEEL |
| 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 |
|---|---|
| A1021611-2 | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| A1021611-2 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
| S1807 | 3/9 Design control — primary reference Fmc Corp Link-Belt Div |
NSN 3020-00-294-6067 is a Chain,silent, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-294-6067 has 1 manufacturer part number on file: A1021611-2 (L3harris Technologies, Inc. Dba Harris Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-460-0161. Verify interchangeability with system specifications before substitution.
Key specifications for A1021611-2: Link Style: DUPLEX; Link Nominal Width: 0.2190 INCHES IN; Effective Length: 1.3473 FEET NOMINAL FT; Pin Fastening Method: RIVETED. 6 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.