Link, Roller Chain3020-01-185-4377

NSN 3020-01-185-4377 · NIIN 011854377

FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3020-01-185-4377 · 3020011854377 · NIIN 011854377 · 01-185-4377 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · 180 · 20Z2328

Nearby stock numbers ← 3020-01-185-4085 Sprocket Wheel · 3020-01-185-4446 Gear Rack →

Features

Link,roller Chain — FSC 3020
Link Plate Nominal Thickness: 0.2810 INCHES IN
Link Plate Width at Pin End: 1.845 INCHES NOMINAL IN
Link Style: ROLLER, TAPERED EDGE
Link Plate Width at Bushing End: 2.137 INCHES NOMINAL IN
Link Pin Nominal Diameter: 0.6875 INCHES IN
Link Roller Nominal Diameter: 1.4060 INCHES IN
Nominal Pitch Distance: 2.250 INCHES IN

Identification

NSN: 3020-01-185-4377
NIIN: 011854377
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Link,roller Chain, cataloged under National Stock Number 3020-01-185-4377, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-185-4377
Item Name	Link,roller Chain
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Link Plate Nominal Thickness	0.2810 INCHES IN
Link Plate Width at Pin End	1.845 INCHES NOMINAL IN
Link Style	ROLLER, TAPERED EDGE
Link Plate Width at Bushing End	2.137 INCHES NOMINAL IN
Link Pin Nominal Diameter	0.6875 INCHES IN
Link Roller Nominal Diameter	1.4060 INCHES IN
Nominal Pitch Distance	2.250 INCHES IN
Link Row Quantity	1
Material	STEEL
Link Nominal Width Between Plates	1.4060 INCHES IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
180	3/9 Design control — primary reference Rexnord Industries Inc. Div Roller Chain Operation
20Z2328	D/9 Drawing number reference only Morris Material Handling, Inc.

No interchangeability data on file.

Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091

GEAR,SPUR

3020-00-001-0027

3020-00-001-0027 · Item name not on file

3020-00-001-0028

3020-00-001-0028 · Item name not on file

3020-00-001-0063

3020-00-001-0063 · Item name not on file

3020-00-001-0064

3020-00-001-0064 · Item name not on file

3020-00-001-0066

3020-00-001-0066 · Item name not on file

3020-00-001-0071

3020-00-001-0071 · Item name not on file

3020-00-001-0072

3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-185-4377?

NSN 3020-01-185-4377 is a Link,roller Chain, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-185-4377?

Key specifications for 3020-01-185-4377: Link Plate Nominal Thickness: 0.2810 INCHES IN; Link Plate Width at Pin End: 1.845 INCHES NOMINAL IN; Link Style: ROLLER, TAPERED EDGE; Link Plate Width at Bushing End: 2.137 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-185-4377 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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