PartsTable TECHNICAL DATA SHEET

NSN 3020-01-004-3950Government record, cited

Gear Rack3020-01-004-3950

NSN 3020-01-004-3950 · NIIN 010043950 · Part number 30028-1010

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 78062

Government record, cited

NSN 3020-01-004-3950 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-004-3950. Manufacturer of record part number: 30028-1010.

Also searched as 3020-01-004-3950 · 3020010043950 · NIIN 010043950 · 01-004-3950 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 78062 · 30028-1010 · 30028-001PC3

Nearby stock numbers ← 3020-01-004-3627 Pulley, Flat · 3020-01-004-3951 Gear, Spur →

Features

Gear Rack — FSC 3020
Teeth Quantity: 9
Pitch Height: 2.2500 INCHES NOMINAL IN
Teeth Type: SPUR
Nominal Overall Length: 12.250 INCHES IN
Style Designator: ROUND
Material Document and Classification: MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth Form: STANDARD

Identification

NSN: 3020-01-004-3950
NIIN: 010043950
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 30028-1010
Manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

General Description

The Gear Rack, cataloged under National Stock Number 3020-01-004-3950, 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 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-004-3950
Primary Part Number	30028-1010
Item Name	Gear Rack
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Status	ACTIVE
Teeth Quantity	9
Pitch Height	2.2500 INCHES NOMINAL IN
Teeth Type	SPUR
Nominal Overall Length	12.250 INCHES IN
Style Designator	ROUND
Material Document and Classification	MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Tooth Form	STANDARD
Nominal Outside Diameter	3.2343 INCHES IN
Pressure Angle	14.5000 DEGREES
Material	STEEL COMP 4140 OVERALL
Nominal Thickness	2.531 INCHES IN
Face Nominal Width	2.688 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

Part Number	Manufacturer
30028-1010 PRIMARY	Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)

Reference documents

Reference	Meaning
30028-001PC3	5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

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 3020-01-004-3950?

NSN 3020-01-004-3950 is a Gear Rack, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-004-3950?

NSN 3020-01-004-3950 has 1 manufacturer part number on file: 30028-1010 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What are the specifications of 30028-1010?

Key specifications for 30028-1010: Teeth Quantity: 9; Pitch Height: 2.2500 INCHES NOMINAL IN; Teeth Type: SPUR; Nominal Overall Length: 12.250 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-004-3950 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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