PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27370Gear,spur

Honeywell International Inc. Div Aerospace - Torrance · NSN 3020-00-434-6897 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-434-6897 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-434-6897. Primary manufacturer part number: 27370.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Hub Nominal Diameter: 0.305 INCHES FIRST END IN
  • Surface Treatment: OXIDE OVERALL
  • Tooth Form: STANDARD
  • Bore Nominal Diameter: 0.187 INCHES BOTH ENDS IN
  • Pressure Angle: 20.0000 DEGREES
  • Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-434-6897, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-434-6897
Primary Part Number27370
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusCANCELLED
Body StylePLAIN, SOLID
Hub Nominal Diameter0.305 INCHES FIRST END IN
Surface TreatmentOXIDE OVERALL
Tooth FormSTANDARD
Bore Nominal Diameter0.187 INCHES BOTH ENDS IN
Pressure Angle20.0000 DEGREES
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES FIRST END IN
Teeth Quantity33
Material Document and ClassificationMIL-H-6875 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Hardness Rating28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL OVERALL
Face Nominal Width0.068 INCHES IN
Hub Style DesignatorPLAIN FIRST END
Nominal Outside Diameter0.727 INCHES IN
Pitch Diameter0.6875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4320-00-334-377927273 INTERCHANGEABLE
Shaft,reel
Dresser Industries Inc Leroi Div
3020-00-594-5102MPS4217 INTERCHANGEABLE
Gear,transfer Case
Meritor Heavy Vehicle Systems, Llc
5330-00-849-0987415733SSR INTERCHANGEABLE
Seal,plain Encased
Federal-Mogul Corp Government Sales Dept
5905-01-227-7568 INTERCHANGEABLE
Resistor,fixed,film
4730-01-688-49561921-S INTERCHANGEABLE
Fitting,lubrication
Stewart Warner Alemite Corp
5120-01-727-823027370 INTERCHANGEABLE
Screwdriver,cross Tip
Mayhew Steel Products Inc
Cross-Reference Index
Part NumberManufacturer
27370 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
27370 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
Related Parts
4320-00-334-3779INTERCHANGEABLE
SHAFT,REEL
27273
3020-00-594-5102INTERCHANGEABLE
GEAR,TRANSFER CASE
MPS4217
5330-00-849-0987INTERCHANGEABLE
SEAL,PLAIN ENCASED
415733SSR
5905-01-227-7568INTERCHANGEABLE
RESISTOR,FIXED,FILM
4730-01-688-4956INTERCHANGEABLE
FITTING,LUBRICATION
1921-S
5120-01-727-8230INTERCHANGEABLE
SCREWDRIVER,CROSS TIP
27370

Frequently Asked Questions

What is NSN 3020-00-434-6897?

NSN 3020-00-434-6897 is a Gear,spur, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-434-6897?

NSN 3020-00-434-6897 has 2 cross-referenced part numbers: 27370 (Honeywell International Inc. Div Aerospace - Torrance), 27370 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).

What NSN replaces 3020-00-434-6897?

There are 6 known substitutes for 3020-00-434-6897: 4320-00-334-3779, 3020-00-594-5102, 5330-00-849-0987 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27370?

Key specifications for 27370: Body Style: PLAIN, SOLID; Hub Nominal Diameter: 0.305 INCHES FIRST END IN; Surface Treatment: OXIDE OVERALL; Tooth Form: STANDARD. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-434-6897 still in active supply?

NSN 3020-00-434-6897 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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