Gear, Worm3020-00-256-2272

NSN 3020-00-256-2272 · NIIN 002562272

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

Government record, cited

Also searched as 3020-00-256-2272 · 3020002562272 · NIIN 002562272 · 00-256-2272 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-00-256-2263 · 3020-00-256-2281 →

Features

Gear,worm — FSC 3020
Thread Form Direction: RIGHT-HAND
Bore Nominal Diameter: 1.750 INCHES BOTH ENDS IN
Helix Angle: 18.4332 DEGREES
Bore Style: PLAIN BOTH ENDS
Face Type: STRAIGHT
Style Designator: HUBLESS
Pitch Diameter: 2.1250 INCHES NOMINAL IN

Identification

NSN: 3020-00-256-2272
NIIN: 002562272
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,worm, cataloged under National Stock Number 3020-00-256-2272, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-00-256-2272
Item Name	Gear,worm
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Thread Form Direction	RIGHT-HAND
Bore Nominal Diameter	1.750 INCHES BOTH ENDS IN
Helix Angle	18.4332 DEGREES
Bore Style	PLAIN BOTH ENDS
Face Type	STRAIGHT
Style Designator	HUBLESS
Pitch Diameter	2.1250 INCHES NOMINAL IN
Thread Form Quantity	4
Nominal Outside Diameter	0.220 INCHES IN
Pressure Angle	14.5000 DEGREES
Material	STEEL OVERALL
Face Nominal Width	0.763 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
1898S799	3/9 Design control — primary reference U.S. Government activity

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.

3020-00-001-2090

3020-00-001-2090 · Item name not on file

3020-00-001-4468

3020-00-001-4468 · Item name not on file

3020-00-007-2779

GEAR,ANTIBACKLASH,SPUR

3020-00-009-4033

GEAR,SPUR

3020-00-031-2269

3020-00-031-2269 · Item name not on file

3020-00-146-4181

GEAR,IDLER

3020-00-146-4222

GEAR,IDLER

3020-00-425-7115

GEAR,HELICAL

Frequently Asked Questions

What is NSN 3020-00-256-2272?

NSN 3020-00-256-2272 is a Gear,worm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-00-256-2272?

Key specifications for 3020-00-256-2272: Thread Form Direction: RIGHT-HAND; Bore Nominal Diameter: 1.750 INCHES BOTH ENDS IN; Helix Angle: 18.4332 DEGREES; Bore Style: PLAIN BOTH ENDS. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3020-00-256-2272 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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