PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

GP52-35P1-2180LGear,spur

Secs Inc · NSN 3020-00-931-8221 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-931-8221 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-931-8221. Primary manufacturer part number: GP52-35P1-2180L.
Features
  • Gear,spur — FSC 3020
  • 7 verified cross-references
  • Primary manufacturer: Secs Inc
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-931-8221, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Secs Inc. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,spur
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersSecs Inc (CAGE 23266); Designatronics Inc Perfect Gear and Instrument Div (CAGE 12444); Designatronics Incorporated Div Sterling Instruments Div (CAGE 00328); Roller Bearing Co of America, Inc Div Pic Design (CAGE 00141); Smallwood and Son Machine Co (CAGE 11915)
Technical Specifications
ParameterValue
NSN3020-00-931-8221
Primary Part NumberGP52-35P1-2180L
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSecs Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5331-00-115-310302-240 INTERCHANGEABLE
O-Ring
Gross Mechanical Laboratories Inc
5970-00-144-1998 INTERCHANGEABLE
Insulator,bushing
6625-00-251-7215302-0410 INTERCHANGEABLE
Ammeter
Cummins Power Generation Inc.
3120-00-628-567161-0760 INTERCHANGEABLE
Bearing,washer,thrust
Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash
5136-00-889-6603C67224 INTERCHANGEABLE
Diestock
Greenfield Industries Inc
5910-01-047-5187235-7395P76 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Raytheon Company Div Corp
3110-01-052-224205673 INTERCHANGEABLE
Bearing
Servo Products Co
5910-01-093-2462 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5915-01-641-7424B1635 INTERCHANGEABLE
Filter Assembly,electrical
Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan
Cross-Reference Index
Part NumberManufacturer
GP52-35P1-2180L PRIMARY Secs Inc (USA)
G34S35 PRIMARY Designatronics Inc Perfect Gear and Instrument Div (USA)
B16-35 Designatronics Incorporated Div Sterling Instruments Div (USA)
01-240 Secs Inc (USA)
610760 Roller Bearing Co of America, Inc Div Pic Design (USA)
96-35G242S Smallwood and Son Machine Co (USA)
P96S7-35 W. M. Berg, Inc. (USA)
Related Parts
5331-00-115-3103INTERCHANGEABLE
O-RING
02-240
5970-00-144-1998INTERCHANGEABLE
INSULATOR,BUSHING
6625-00-251-7215INTERCHANGEABLE
AMMETER
302-0410
3120-00-628-5671INTERCHANGEABLE
BEARING,WASHER,THRUST
61-0760
5136-00-889-6603INTERCHANGEABLE
DIESTOCK
C67224
5910-01-047-5187INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
235-7395P76
3110-01-052-2242INTERCHANGEABLE
BEARING
05673
5910-01-093-2462INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5915-01-641-7424INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
B1635

Frequently Asked Questions

What is NSN 3020-00-931-8221?

NSN 3020-00-931-8221 is a Gear,spur, manufactured by Secs Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-931-8221?

NSN 3020-00-931-8221 has 7 cross-referenced part numbers: GP52-35P1-2180L (Secs Inc), G34S35 (Designatronics Inc Perfect Gear and Instrument Div), B16-35 (Designatronics Incorporated Div Sterling Instruments Div), 01-240 (Secs Inc), 610760 (Roller Bearing Co of America, Inc Div Pic Design) and 2 more.

What NSN replaces 3020-00-931-8221?

There are 9 known substitutes for 3020-00-931-8221: 5331-00-115-3103, 5970-00-144-1998, 6625-00-251-7215 and 6 more. Verify interchangeability with system specifications before substitution.

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