The Chain,silent, cataloged under National Stock Number 3020-00-708-8763, 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 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-708-8763 |
| Primary Part Number | 331C132H07REVB |
| 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 | 0.2180 INCHES IN |
| Effective Length | 1.7546 FEET NOMINAL FT |
| Nominal Pitch Distance | 0.188 INCHES IN |
| Link Row Quantity | 4 |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.1200 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 |
|---|---|
| 331C132H07REVB | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 331C132H07REVB | 5/2 Secondary reference U.S. Government activity |
| S1807-112PITCH | 3/9 Design control — primary reference Fmc Corp Link-Belt Div |
NSN 3020-00-708-8763 is a Chain,silent, manufactured by Westinghouse Electric Corp, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-708-8763 has 1 manufacturer part number on file: 331C132H07REVB (Westinghouse Electric Corp).
Key specifications for 331C132H07REVB: Link Style: SIDE GUIDES; Link Nominal Width: 0.2180 INCHES IN; Effective Length: 1.7546 FEET NOMINAL FT; Nominal Pitch Distance: 0.188 INCHES IN. 7 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.