The Chain,roller, cataloged under National Stock Number 3020-00-447-0522, 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 Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-447-0522 |
| Primary Part Number | 52W1172-12 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.1410 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0500 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.2000 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 10.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 0.350 INCHES NOMINAL IN |
| Pin Fastening Method | SPRING CLIP |
| Second Chain Link Plate Width | 0.330 INCHES NOMINAL IN |
| Minimum Tensile Strength | 2100 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.1870 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0500 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 |
|---|---|
| 52W1172-12 PRIMARY | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| Reference | Meaning |
|---|---|
| 52W1172-12 | 5/9 Secondary reference Bliss E W Co Gulf and Western Mfg Co Sub of Gulf and Western Industries |
NSN 3020-00-447-0522 is a Chain,roller, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-447-0522 has 1 manufacturer part number on file: 52W1172-12 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 52W1172-12: Second Chain Link Pin Nominal Diameter: 0.1410 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0500 INCHES IN; First Chain Link Roller Nominal Diameter: 0.2000 INCHES IN; Second Chain Link Style: PIN. 15 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.