PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RFN 8006Element,locking

Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation · NSN 4320-01-289-1321 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-289-1321 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-289-1321. Primary manufacturer part number: RFN 8006.
Features
  • Element,locking — FSC 4320
  • 6 verified cross-references
  • Primary manufacturer: Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Element,locking, cataloged under National Stock Number 4320-01-289-1321, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation. This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameElement,locking
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersUlstein Bergen A/s (CAGE N0379); Vbg Group Truck Equipment Gmbh (CAGE D8449); Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation (CAGE 60372); Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (CAGE 16236); Ringflex Drive Systems Ltd (CAGE K5036)
Technical Specifications
ParameterValue
NSN4320-01-289-1321
Primary Part NumberRFN 8006
Item NameElement,locking
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRingfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-100-0243447 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5133-00-189-9185 INTERCHANGEABLE
Drill,twist
5133-00-266-9466 INTERCHANGEABLE
Drill,twist
5930-00-389-6455 INTERCHANGEABLE
Switch,thermostatic
3895-00-641-6343901024 INTERCHANGEABLE
Mixer,rotary Tiller
Ariens Co
4820-01-028-0440 INTERCHANGEABLE
Disk,valve
4820-01-028-4481B12808 INTERCHANGEABLE
Valve,check
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
5963-01-210-588912058 INTERCHANGEABLE
Electronic Module,standardized
Nautel C-Tech Limited
5985-01-475-2367120-58 INTERCHANGEABLE
Case,antenna
Shakespeare Company, Llc Div Military Electronics
6550-01-573-935699-09752 INTERCHANGEABLE
Test Kit,canine Heartworm,lyme D
Idexx Laboratories Inc Div Water
Cross-Reference Index
Part NumberManufacturer
12058 Ulstein Bergen A/s (NOR)
RFN8006 Vbg Group Truck Equipment Gmbh (DEU)
RFN 8006 PRIMARY Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation (USA)
RFN8006 PRIMARY Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
L698/95 Ulstein Bergen A/s (NOR)
RFN8006-20X25 Ringflex Drive Systems Ltd (GBR)
Related Parts
3110-00-100-0243INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
447
5133-00-189-9185INTERCHANGEABLE
DRILL,TWIST
5133-00-266-9466INTERCHANGEABLE
DRILL,TWIST
5930-00-389-6455INTERCHANGEABLE
SWITCH,THERMOSTATIC
3895-00-641-6343INTERCHANGEABLE
MIXER,ROTARY TILLER
901024
4820-01-028-0440INTERCHANGEABLE
DISK,VALVE
4820-01-028-4481INTERCHANGEABLE
VALVE,CHECK
B12808
5963-01-210-5889INTERCHANGEABLE
ELECTRONIC MODULE,STANDARDIZED
12058
5985-01-475-2367INTERCHANGEABLE
CASE,ANTENNA
120-58
6550-01-573-9356INTERCHANGEABLE
TEST KIT,CANINE HEARTWORM,LYME D
99-09752

Frequently Asked Questions

What is NSN 4320-01-289-1321?

NSN 4320-01-289-1321 is a Element,locking, manufactured by Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-289-1321?

NSN 4320-01-289-1321 has 6 cross-referenced part numbers: 12058 (Ulstein Bergen A/s), RFN8006 (Vbg Group Truck Equipment Gmbh), RFN 8006 (Ringfeder Power Transmission Usa Corp Dba Ringfeder Power Transmission Usa Corporation), RFN8006 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), L698/95 (Ulstein Bergen A/s) and 1 more.

What NSN replaces 4320-01-289-1321?

There are 10 known substitutes for 4320-01-289-1321: 3110-00-100-0243, 5133-00-189-9185, 5133-00-266-9466 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-289-1321 still in active supply?

NSN 4320-01-289-1321 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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