PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-890-43Seal Assembly,shaft,spring Loade

Rexnord Industries, Llc Div Aerospace Solutions Downers Grove · NSN 4320-00-474-4083 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-474-4083 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-474-4083. Primary manufacturer part number: 2-890-43.
Features
  • Seal Assembly,shaft,spring Loade — FSC 4320
  • General Characteristics Item Description: NOSE SEAL; CUP; MATING RING; WASHER; SPRING; TETRASEAL; O RING
  • 4 verified cross-references
  • Primary manufacturer: Rexnord Industries, Llc Div Aerospace Solutions Downers Grove
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Mechanical energy storage
  • Vibration dampening
General Description

The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-00-474-4083, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rexnord Industries, Llc Div Aerospace Solutions Downers Grove. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-474-4083
Primary Part Number2-890-43
Item NameSeal Assembly,shaft,spring Loade
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRexnord Industries, Llc Div Aerospace Solutions Downers Grove
StatusCANCELLED
General Characteristics Item DescriptionNOSE SEAL; CUP; MATING RING; WASHER; SPRING; TETRASEAL; O RING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5325-00-680-874628904-3 INTERCHANGEABLE
Insert,screw Thread
Triumph Engine Control Systems Llc
5331-01-005-0512AS3209-176 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
2825-01-089-4843189016 INTERCHANGEABLE
Cam,lift
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5331-01-257-2732RA12575-01 INTERCHANGEABLE
O-Ring
Jonal Laboratories Inc
4720-01-615-3468289043 INTERCHANGEABLE
Hose,metallic
Hobart Ground Power
Cross-Reference Index
Part NumberManufacturer
2-890-43 Mirion Technologies (canberra), Inc. (USA)
1-890-16 Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
2-890-43 PRIMARY Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
2-890-41 Rexnord Industries, Llc Div Aerospace Solutions Downers Grove (USA)
Related Parts
5325-00-680-8746INTERCHANGEABLE
INSERT,SCREW THREAD
28904-3
5331-01-005-0512INTERCHANGEABLE
O-RING
AS3209-176
2825-01-089-4843INTERCHANGEABLE
CAM,LIFT
189016
5331-01-257-2732INTERCHANGEABLE
O-RING
RA12575-01
4720-01-615-3468INTERCHANGEABLE
HOSE,METALLIC
289043

Frequently Asked Questions

What is NSN 4320-00-474-4083?

NSN 4320-00-474-4083 is a Seal Assembly,shaft,spring Loade, manufactured by Rexnord Industries, Llc Div Aerospace Solutions Downers Grove, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-474-4083?

NSN 4320-00-474-4083 has 4 cross-referenced part numbers: 2-890-43 (Mirion Technologies (canberra), Inc.), 1-890-16 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove), 2-890-43 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove), 2-890-41 (Rexnord Industries, Llc Div Aerospace Solutions Downers Grove).

What NSN replaces 4320-00-474-4083?

There are 5 known substitutes for 4320-00-474-4083: 5325-00-680-8746, 5331-01-005-0512, 2825-01-089-4843 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-890-43?

Key specifications for 2-890-43: End Item Identification: TEST SET ELECTRONIC; General Characteristics Item Description: NOSE SEAL; CUP; MATING RING; WASHER; SPRING; TETRASEAL; O RING. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-474-4083 still in active supply?

NSN 4320-00-474-4083 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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