PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

400475Gear,worm

Richards Imagery Interpretation Systems, L.l.c. · NSN 3020-01-438-2135 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-438-2135 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-438-2135. Primary manufacturer part number: 400475.
Features
  • Gear,worm — FSC 3020
  • 2 verified cross-references
  • Primary manufacturer: Richards Imagery Interpretation Systems, L.l.c.
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,worm, cataloged under National Stock Number 3020-01-438-2135, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Richards Imagery Interpretation Systems, L.l.c.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameGear,worm
FSC / FSG3020 — No Item Name Available (FSG 30)
ManufacturersRichards Imagery Interpretation Systems, L.l.c. (CAGE 02145); Pyser Sgi Limited (CAGE U3097)
Technical Specifications
ParameterValue
NSN3020-01-438-2135
Primary Part Number400475
Item NameGear,worm
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerRichards Imagery Interpretation Systems, L.l.c.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2520-00-450-9199 INTERCHANGEABLE
Yoke,steering Knuckle
3020-01-028-5528400475 INTERCHANGEABLE
Pulley,timing Belt
Telemechanics Inc
6240-01-576-7525400-475 INTERCHANGEABLE
Lamp,incandescent
Santa Barbara Infrared, Inc. Dba Santa Barbara Infrared Inc
Cross-Reference Index
Part NumberManufacturer
400475 Richards Imagery Interpretation Systems, L.l.c. (USA)
400475 Pyser Sgi Limited (GBR)
Related Parts
2520-00-450-9199INTERCHANGEABLE
YOKE,STEERING KNUCKLE
3020-01-028-5528INTERCHANGEABLE
PULLEY,TIMING BELT
400475
6240-01-576-7525INTERCHANGEABLE
LAMP,INCANDESCENT
400-475

Frequently Asked Questions

What is NSN 3020-01-438-2135?

NSN 3020-01-438-2135 is a Gear,worm, manufactured by Richards Imagery Interpretation Systems, L.l.c., classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-438-2135?

NSN 3020-01-438-2135 has 2 cross-referenced part numbers: 400475 (Richards Imagery Interpretation Systems, L.l.c.), 400475 (Pyser Sgi Limited).

What NSN replaces 3020-01-438-2135?

There are 3 known substitutes for 3020-01-438-2135: 2520-00-450-9199, 3020-01-028-5528, 6240-01-576-7525. Verify interchangeability with system specifications before substitution.

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