PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121462Ring,segment,pump

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-977-2812 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-977-2812 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-977-2812. Primary manufacturer part number: 121462.
Features
  • Ring,segment,pump — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Ring,segment,pump, cataloged under National Stock Number 4320-00-977-2812, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,segment,pump
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Toolex, Inc Dba Toolex Inc (CAGE 1W383)
Technical Specifications
ParameterValue
NSN4320-00-977-2812
Primary Part Number121462
Item NameRing,segment,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-100-029230050 INTERCHANGEABLE
Cup,tapered Roller Bearing
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
2995-00-626-3838121462 INTERCHANGEABLE
Housing,valve,butte
Meggitt North Hollywood Inc
5840-00-907-1232121462 INTERCHANGEABLE
Fitting End
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
121462 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
121462 Toolex, Inc Dba Toolex Inc (USA)
Related Parts
3110-00-100-0292INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
30050
2995-00-626-3838INTERCHANGEABLE
HOUSING,VALVE,BUTTE
121462
5840-00-907-1232INTERCHANGEABLE
FITTING END
121462

Frequently Asked Questions

What is NSN 4320-00-977-2812?

NSN 4320-00-977-2812 is a Ring,segment,pump, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-977-2812?

NSN 4320-00-977-2812 has 2 cross-referenced part numbers: 121462 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 121462 (Toolex, Inc Dba Toolex Inc).

What NSN replaces 4320-00-977-2812?

There are 3 known substitutes for 4320-00-977-2812: 3110-00-100-0292, 2995-00-626-3838, 5840-00-907-1232. Verify interchangeability with system specifications before substitution.

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