Ratchet Wheel3020-01-353-7537

NSN 3020-01-353-7537 · NIIN 013537537

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

Government record, cited

Also searched as 3020-01-353-7537 · 3020013537537 · NIIN 013537537 · 01-353-7537 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · 123-4775356 ITEM 22 · 123-4775356 · 4775356

Nearby stock numbers ← 3020-01-353-7536 Ratchet Wheel · 3020-01-353-7545 Guard, Mechanical Drive →

Features

Ratchet Wheel — FSC 3020
Bore Nominal Diameter: 1.906 INCHES IN
Outside Diameter: 6.500 INCHES NOMINAL IN

Identification

NSN: 3020-01-353-7537
NIIN: 013537537
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Ratchet Wheel, cataloged under National Stock Number 3020-01-353-7537, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications

Parameter	Value
NSN	3020-01-353-7537
Item Name	Ratchet Wheel
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Bore Nominal Diameter	1.906 INCHES IN
Outside Diameter	6.500 INCHES NOMINAL 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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

2040-01-357-820828-54-0051A POSSIBLE MATCH

GUIDE,HATCH

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
123-4775356 ITEM 22	3/2 Design control — primary reference U.S. Government activity
123-4775356	D/9 Drawing number reference only U.S. Government activity
4775356	D/9 Drawing number reference only U.S. Government activity

Related Parts

2040-01-357-8208POSSIBLE MATCH

GUIDE,HATCH

28-54-0051A

Frequently Asked Questions

What is NSN 3020-01-353-7537?

NSN 3020-01-353-7537 is a Ratchet Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What NSN replaces 3020-01-353-7537?

1 possible match (shared part number, not a government interchangeability claim): 2040-01-357-8208. Verify interchangeability with system specifications before substitution.

What are the specifications of 3020-01-353-7537?

Key specifications for 3020-01-353-7537: Bore Nominal Diameter: 1.906 INCHES IN; Outside Diameter: 6.500 INCHES NOMINAL IN; Special Features: LH;BRONZE;2.380 IN LG;4.000 IN DIA HUB;2 HOLES 90 DEG CSK TO .350 IN DIA,.312-18UNC-2B IN. 2 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-353-7537 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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