Gear, Spur3020-01-448-5257

NSN 3020-01-448-5257 · NIIN 014485257

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

Government record, cited

Also searched as 3020-01-448-5257 · 3020014485257 · NIIN 014485257 · 01-448-5257 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · 15-1311 IT 24 · MRHWP52108

Nearby stock numbers ← 3020-01-448-5150 Timing Chain and Switch Assembly · 3020-01-448-6048 Sprocket Wheel →

Features

Gear,spur — FSC 3020
Teeth Quantity: 21
Hardness Rating: 320.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL
Nominal Outside Diameter: 2.375 INCHES IN
Material: STEEL COMP 4340 OVERALL

Identification

NSN: 3020-01-448-5257
NIIN: 014485257
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-448-5257, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	3020-01-448-5257
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Teeth Quantity	21
Hardness Rating	320.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL
Nominal Outside Diameter	2.375 INCHES IN
Material	STEEL COMP 4340 OVERALL

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
15-1311 IT 24	5/9 Secondary reference Jeamar Winches Corporation
MRHWP52108	3/9 Design control — primary reference Jeamar Winches Corporation

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 3020-01-448-5257?

NSN 3020-01-448-5257 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-448-5257?

Key specifications for 3020-01-448-5257: Teeth Quantity: 21; Hardness Rating: 320.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL; Nominal Outside Diameter: 2.375 INCHES IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 4 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-448-5257 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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