PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31121Gear,worm Wheel

Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana · NSN 3020-00-858-0507 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-858-0507 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-858-0507. Primary manufacturer part number: 31121.
Features
  • Gear,worm Wheel — FSC 3020
  • Mating Thread Lead Quantity: 1
  • Counterbore Nominal Diameter: 0.574 INCHES COUNTER BORE SECOND END IN
  • Bore Style: W/COUNTERBORE COUNTER BORE SECOND END
  • Counterbore Nominal Depth: 0.1800 INCHES SECOND END IN
  • Nominal Distance Between Body Face and Protruding Hub End: 1.250 INCHES FIRST END IN
  • Throat Nominal Radius: 0.290 INCHES IN
  • Pressure Angle: 20.0000 DEGREES
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Gear,worm Wheel, cataloged under National Stock Number 3020-00-858-0507, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana. Government technical data includes 23 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-858-0507
Primary Part Number31121
Item NameGear,worm Wheel
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerIntegral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana
StatusACTIVE
Mating Thread Lead Quantity1
Counterbore Nominal Diameter0.574 INCHES COUNTER BORE SECOND END IN
Bore StyleW/COUNTERBORE COUNTER BORE SECOND END
Counterbore Nominal Depth0.1800 INCHES SECOND END IN
Nominal Distance Between Body Face and Protruding Hub End1.250 INCHES FIRST END IN
Throat Nominal Radius0.290 INCHES IN
Pressure Angle20.0000 DEGREES
Hub Nominal Diameter0.745 INCHES SECOND END IN
Surface TreatmentPASSIVATE OVERALL
Style DesignatorPROTRUDING HUBS
Bore Nominal Diameter0.200 INCHES COUNTERBORE FIRST END IN
Nominal Distance Between Body Face and Protruding Hub End0.055 INCHES SECOND END IN
Tooth DirectionLEFT
Nominal Outside Diameter2.6500 INCHES IN
Hub Style DesignatorPLAIN BOTH ENDS
Hub Nominal Diameter1.000 INCHES FIRST END IN
Helix Angle1.5000 DEGREES
MaterialSTEEL CORROSION RESISTING OVERALL
Face Nominal Width0.255 INCHES IN
Pitch Diameter2.5942 INCHES NOMINAL IN
Teeth Quantity163
Face TypeCONCAVE
Body StyleWEBBED, OFFSET, WITH LIGHTENING HOLES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1630-00-050-2904 INTERCHANGEABLE
Wheel,landing Gear
4510-00-167-0409 INTERCHANGEABLE
Faucet,double
5315-00-222-71415315H23-000 INTERCHANGEABLE
Pin,straight,headless
Us Army Aviation and Missile Command
6730-00-396-3514 INTERCHANGEABLE
Leg,projector
5985-00-598-46493112-1 INTERCHANGEABLE
Waveguide Assembly
General Microwave Corporation Div Kratos Microwave Electronics
1630-00-764-4792 INTERCHANGEABLE
Wheel,landing Gear
4820-01-239-992531121 INTERCHANGEABLE
Seat,valve
Pneudraulics, Inc.
5930-01-248-454731-121 INTERCHANGEABLE
Switch,push
Eao Switch Corporation
3020-01-377-7455 INTERCHANGEABLE
Gear,internal
6515-01-417-8014311.21 INTERCHANGEABLE
Tap,bone Screw
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
31121 Bfm Energy Products Corp (USA)
31121 PRIMARY Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana (USA)
Related Parts
1630-00-050-2904INTERCHANGEABLE
WHEEL,LANDING GEAR
4510-00-167-0409INTERCHANGEABLE
FAUCET,DOUBLE
5315-00-222-7141INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315H23-000
6730-00-396-3514INTERCHANGEABLE
LEG,PROJECTOR
5985-00-598-4649INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
3112-1
1630-00-764-4792INTERCHANGEABLE
WHEEL,LANDING GEAR
4820-01-239-9925INTERCHANGEABLE
SEAT,VALVE
31121
5930-01-248-4547INTERCHANGEABLE
SWITCH,PUSH
31-121
3020-01-377-7455INTERCHANGEABLE
GEAR,INTERNAL
6515-01-417-8014INTERCHANGEABLE
TAP,BONE SCREW
311.21
6910-01-590-4579INTERCHANGEABLE
GAUZE,INERT,MOULAGE TRAINER
273
4140-01-649-4937INTERCHANGEABLE
SHROUD,FAN,AXIAL
31121

Frequently Asked Questions

What is NSN 3020-00-858-0507?

NSN 3020-00-858-0507 is a Gear,worm Wheel, manufactured by Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-858-0507?

NSN 3020-00-858-0507 has 2 cross-referenced part numbers: 31121 (Bfm Energy Products Corp), 31121 (Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana).

What NSN replaces 3020-00-858-0507?

There are 12 known substitutes for 3020-00-858-0507: 1630-00-050-2904, 4510-00-167-0409, 5315-00-222-7141 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31121?

Key specifications for 31121: Mating Thread Lead Quantity: 1; Counterbore Nominal Diameter: 0.574 INCHES COUNTER BORE SECOND END IN; Bore Style: W/COUNTERBORE COUNTER BORE SECOND END; Counterbore Nominal Depth: 0.1800 INCHES SECOND END IN. 24 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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