The Chain,roller, cataloged under National Stock Number 3020-01-154-6380, 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 Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-154-6380 |
| Primary Part Number | 709-4684922 ITEM 48 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Link Plate Nominal Thickness | 0.0300 INCHES IN |
| Link Style | ROLLER |
| Material Document and Classification | ANSI-B29.1 ASSN STD ALL MATERIAL RESPONSES |
| Effective Length | 1.3125 FEET NOMINAL FT |
| Link Roller Nominal Diameter | 0.1300 INCHES IN |
| Pin Fastening Method | COTTER PIN |
| Link Row Quantity | 1 |
| Material | STEEL |
| Link Nominal Width Between Plates | 0.1250 INCHES IN |
| Link Plate Width | 0.237 INCHES NOMINAL 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 |
|---|---|
| 709-4684922 ITEM 48 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87832-1651 | D/9 Drawing number reference only U.S. Government activity |
| 709-4684922 | D/9 Drawing number reference only U.S. Government activity |
| 87832-1651 ITEM 48 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-154-6380 is a Chain,roller, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-154-6380 has 1 manufacturer part number on file: 709-4684922 ITEM 48 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-155-8027. Verify interchangeability with system specifications before substitution.
Key specifications for 709-4684922 ITEM 48: Link Plate Nominal Thickness: 0.0300 INCHES IN; Link Style: ROLLER; Material Document and Classification: ANSI-B29.1 ASSN STD ALL MATERIAL RESPONSES; Effective Length: 1.3125 FEET NOMINAL FT. 10 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.