PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H21-42Gear,spur

Designatronics Incorporated Div Sterling Instruments Div · NSN 3020-00-195-6044 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-195-6044 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-195-6044. Primary manufacturer part number: H21-42.
Features
  • Gear,spur — FSC 3020
  • 9 verified cross-references
  • Primary manufacturer: Designatronics Incorporated Div Sterling Instruments Div
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-195-6044, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Designatronics Incorporated Div Sterling Instruments Div. This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersDesignatronics Incorporated Div Sterling Instruments Div (CAGE 00328); Secs Inc (CAGE 23266); Kft Fire Trainer Llc (CAGE 06003); Designatronics Inc Perfect Gear and Instrument Div (CAGE 12444); Roller Bearing Co of America, Inc Div Pic Design (CAGE 00141)
Technical Specifications
ParameterValue
NSN3020-00-195-6044
Primary Part NumberH21-42
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDesignatronics Incorporated Div Sterling Instruments Div
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5340-00-046-8018G342 INTERCHANGEABLE
Hinge,butt
Northrop Grumman Systems Corporation
4310-00-140-431375050011702 INTERCHANGEABLE
Valve Assembly,disc
Newport Scientific, Inc.
2805-00-165-936300119137 INTERCHANGEABLE
Guide,valve Stem
Am General Llc
6515-00-969-8622 INTERCHANGEABLE
Suture,absorbable,surgical
5930-01-045-8137910PGD013-PTCB INTERCHANGEABLE
Switch,rotary
Senasys, Inc
6525-01-217-55755-603 INTERCHANGEABLE
X-Ray Apparatus,radiographic,med
Defense Medical Standardization Board
Cross-Reference Index
Part NumberManufacturer
H21-42 PRIMARY Designatronics Incorporated Div Sterling Instruments Div (USA)
GP24-42 PRIMARY Secs Inc (USA)
246-130-525 PRIMARY Kft Fire Trainer Llc (USA)
C48S42 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
G3-42 PRIMARY Roller Bearing Co of America, Inc Div Pic Design (USA)
164-42S PRIMARY Southern Gear & Machine Inc (USA)
4820-42SH2500 Smallwood and Son Machine Co (USA)
154-42S PRIMARY Southern Gear & Machine Inc (USA)
84000287 Ncr Corporation Dba Ncr (USA)
Related Parts
5340-00-046-8018INTERCHANGEABLE
HINGE,BUTT
G342
4310-00-140-4313INTERCHANGEABLE
VALVE ASSEMBLY,DISC
75050011702
2805-00-165-9363INTERCHANGEABLE
GUIDE,VALVE STEM
00119137
6515-00-969-8622INTERCHANGEABLE
SUTURE,ABSORBABLE,SURGICAL
5930-01-045-8137INTERCHANGEABLE
SWITCH,ROTARY
910PGD013-PTCB
6525-01-217-5575INTERCHANGEABLE
X-RAY APPARATUS,RADIOGRAPHIC,MED
5-603

Frequently Asked Questions

What is NSN 3020-00-195-6044?

NSN 3020-00-195-6044 is a Gear,spur, manufactured by Designatronics Incorporated Div Sterling Instruments Div, classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-195-6044?

NSN 3020-00-195-6044 has 9 cross-referenced part numbers: H21-42 (Designatronics Incorporated Div Sterling Instruments Div), GP24-42 (Secs Inc), 246-130-525 (Kft Fire Trainer Llc), C48S42 (Designatronics Inc Perfect Gear and Instrument Div), G3-42 (Roller Bearing Co of America, Inc Div Pic Design) and 4 more.

What NSN replaces 3020-00-195-6044?

There are 6 known substitutes for 3020-00-195-6044: 5340-00-046-8018, 4310-00-140-4313, 2805-00-165-9363 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 3020-00-195-6044 still in active supply?

NSN 3020-00-195-6044 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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