The Chain,silent, cataloged under National Stock Number 3020-01-039-3519, 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 Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-039-3519 |
| Primary Part Number | 152A046H12 |
| Item Name | Chain,silent |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Link Style | SIDE GUIDES |
| Link Nominal Width | 0.1560 INCHES IN |
| Effective Length | 1.3401 FEET NOMINAL FT |
| Nominal Pitch Distance | 0.187 INCHES IN |
| Minimum Tensile Strength | 500 POUNDS PER SQUARE INCH LBS |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 152A046H12 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 152A046 | D/9 Drawing number reference only U.S. Government activity |
NSN 3020-01-039-3519 is a Chain,silent, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-039-3519 has 1 manufacturer part number on file: 152A046H12 (Westinghouse Electric Corp).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-040-0945, 3020-01-040-0946. Verify interchangeability with system specifications before substitution.
Key specifications for 152A046H12: Link Style: SIDE GUIDES; Link Nominal Width: 0.1560 INCHES IN; Effective Length: 1.3401 FEET NOMINAL FT; Nominal Pitch Distance: 0.187 INCHES IN. 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.