PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4275AShaft Worm Gear

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 3820-00-733-7875 · FSC 3820 · No Item Name Available
Verified by PartsTable
NSN 3820-00-733-7875 — this item is cataloged by the U.S. Government under National Stock Number 3820-00-733-7875. Primary manufacturer part number: 4275A.
Features
  • Shaft Worm Gear — FSC 3820
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Shaft Worm Gear, cataloged under National Stock Number 3820-00-733-7875, is classified within Federal Supply Class 3820 (No Item Name Available) of the Construction, Mining, Excavating Equipment group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameShaft Worm Gear
FSC / FSG3820 — No Item Name Available (FSG 38)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232)
Technical Specifications
ParameterValue
NSN3820-00-733-7875
Primary Part Number4275A
Item NameShaft Worm Gear
FSC / FSG3820 / 38 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4130-00-177-87744275 INTERCHANGEABLE
Modification Kit,refrigeration a
Howell Laboratories Inc Dba Howell Laboratories Inc
4730-00-203-9624111617 INTERCHANGEABLE
Clamp,hose
Rolls-Royce Solutions America Inc
6625-01-122-2618 INTERCHANGEABLE
Multimeter
6130-01-264-65144275A INTERCHANGEABLE
Power Supply
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
4275A PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
4275A Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
4130-00-177-8774INTERCHANGEABLE
MODIFICATION KIT,REFRIGERATION A
4275
4730-00-203-9624INTERCHANGEABLE
CLAMP,HOSE
111617
6625-01-122-2618INTERCHANGEABLE
MULTIMETER
6130-01-264-6514INTERCHANGEABLE
POWER SUPPLY
4275A

Frequently Asked Questions

What is NSN 3820-00-733-7875?

NSN 3820-00-733-7875 is a Shaft Worm Gear, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 3820 (No Item Name Available). Status: active.

What are the part numbers for NSN 3820-00-733-7875?

NSN 3820-00-733-7875 has 2 cross-referenced part numbers: 4275A (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 4275A (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 3820-00-733-7875?

There are 4 known substitutes for 3820-00-733-7875: 4130-00-177-8774, 4730-00-203-9624, 6625-01-122-2618 and 1 more. Verify interchangeability with system specifications before substitution.

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