PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11H CODE 4Gear,internal

Winsmith Div Umc Industries Inc · NSN 3020-01-303-9268 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-303-9268 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-303-9268. Primary manufacturer part number: 11H CODE 4.
Features
  • Gear,internal — FSC 3020
  • Teeth Quantity: 70
  • Teeth Type: SPUR
  • 2 verified cross-references
  • Primary manufacturer: Winsmith Div Umc Industries Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,internal, cataloged under National Stock Number 3020-01-303-9268, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Winsmith Div Umc Industries Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-303-9268
Primary Part Number11H CODE 4
Item NameGear,internal
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerWinsmith Div Umc Industries Inc
StatusACTIVE
Teeth Quantity70
Teeth TypeSPUR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-142-4280 INTERCHANGEABLE
Bearing,ball,airframe
5310-00-168-641223601-00160 INTERCHANGEABLE
Washer,flat
Schneider Electric Usa, Inc.
1615-00-589-8443S1635-63333-1 INTERCHANGEABLE
Guide Shaft,tail Ro
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
3110-00-836-961153175T INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-01-017-2591257129 INTERCHANGEABLE
Gasket
Bromine Systems Inc
9150-01-037-1306613-1 INTERCHANGEABLE
Lubricant,ammunition Case
Sanitek Products Inc
4730-01-133-74256131 INTERCHANGEABLE
Adapter,straight,flange to Hose
Kovatch Corp.
5945-01-137-0247613-1 INTERCHANGEABLE
Relay,solid State
Teledyne Defense Electronics, Llc Dba Teledyne Relays Div Https://www.teledyne.com/what-We-Do/
5815-01-147-21476131 INTERCHANGEABLE
Keyboard-Transmitter,teletypewri
Data General Corporation
5995-01-371-75666131 INTERCHANGEABLE
Cable Assembly Set,electrical
Oriel Corp
Cross-Reference Index
Part NumberManufacturer
11H CODE 4 Winsmith Div Umc Industries Inc (USA)
6131 Winsmith Div Umc Industries Inc (USA)
Related Parts
3110-00-142-4280INTERCHANGEABLE
BEARING,BALL,AIRFRAME
5310-00-168-6412INTERCHANGEABLE
WASHER,FLAT
23601-00160
1615-00-589-8443INTERCHANGEABLE
GUIDE SHAFT,TAIL RO
S1635-63333-1
3110-00-836-9611INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
53175T
5330-01-017-2591INTERCHANGEABLE
GASKET
257129
9150-01-037-1306INTERCHANGEABLE
LUBRICANT,AMMUNITION CASE
613-1
4730-01-133-7425INTERCHANGEABLE
ADAPTER,STRAIGHT,FLANGE TO HOSE
6131
5945-01-137-0247INTERCHANGEABLE
RELAY,SOLID STATE
613-1
5815-01-147-2147INTERCHANGEABLE
KEYBOARD-TRANSMITTER,TELETYPEWRI
6131
5995-01-371-7566INTERCHANGEABLE
CABLE ASSEMBLY SET,ELECTRICAL
6131
5136-01-431-1825INTERCHANGEABLE
DIE,THREAD CUTTING
6131
3020-01-624-1222INTERCHANGEABLE
OLDHAM WAFER
6131

Frequently Asked Questions

What is NSN 3020-01-303-9268?

NSN 3020-01-303-9268 is a Gear,internal, manufactured by Winsmith Div Umc Industries Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-303-9268?

NSN 3020-01-303-9268 has 2 cross-referenced part numbers: 11H CODE 4 (Winsmith Div Umc Industries Inc), 6131 (Winsmith Div Umc Industries Inc).

What NSN replaces 3020-01-303-9268?

There are 12 known substitutes for 3020-01-303-9268: 3110-00-142-4280, 5310-00-168-6412, 1615-00-589-8443 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11H CODE 4?

Key specifications for 11H CODE 4: Teeth Quantity: 70; Teeth Type: SPUR. 2 total characteristics are documented in the Federal Logistics Information System.

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