The Link,roller Chain, cataloged under National Stock Number 3020-00-043-1273, 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 Sicard a Division of Smi-Snowblast Inc Dba Sicard. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-00-043-1273 |
| Primary Part Number | 9100488 |
| Item Name | Link,roller Chain |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Sicard a Division of Smi-Snowblast Inc Dba Sicard |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0800 INCHES IN |
| Link Pin Nominal Diameter | 0.2000 INCHES IN |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE |
| Link Roller Nominal Diameter | 0.4000 INCHES IN |
| Link Bushing Nominal Outside Diameter | 0.2810 INCHES IN |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.3750 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 |
NSN 3020-00-043-1273 is a Link,roller Chain, manufactured by Sicard a Division of Smi-Snowblast Inc Dba Sicard, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-043-1273 has 2 manufacturer part numbers on file: 9100488 (Sicard a Division of Smi-Snowblast Inc Dba Sicard), 52437 (Sicard a Division of Smi-Snowblast Inc Dba Sicard).
3 possible matches (shared part number, not a government interchangeability claim): 5365-00-235-2349, 2040-01-033-6823, 8465-01-597-6863. Verify interchangeability with system specifications before substitution.
Key specifications for 9100488: Link Plate Nominal Thickness: 0.0800 INCHES IN; Link Pin Nominal Diameter: 0.2000 INCHES IN; Material Document and Classification: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE; Link Roller Nominal Diameter: 0.4000 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.