PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V4-106Ring,retaining

Senior Operations Llc Div Senior Aerospace Ketema · NSN 5325-00-947-0159 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-947-0159 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-947-0159. Primary manufacturer part number: V4-106.
Features
  • Ring,retaining — FSC 5325
  • Casehardening Indicator: NOT CASEHARDENED
  • Usage Design: EXTERNAL
  • Ring Style: EXTERNAL
  • Material: STEEL
  • Surface Treatment: CADMIUM AND CHROMATE
  • Material Document and Classification: V4-106-P 1050 03024 MFR REF SINGLE MATERIAL RESPONSE
  • Material Hardness Rating: 51.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-947-0159, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-947-0159
Primary Part NumberV4-106
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSenior Operations Llc Div Senior Aerospace Ketema
StatusCANCELLED
Casehardening IndicatorNOT CASEHARDENED
Usage DesignEXTERNAL
Ring StyleEXTERNAL
MaterialSTEEL
Surface TreatmentCADMIUM AND CHROMATE
Material Document and ClassificationV4-106-P 1050 03024 MFR REF SINGLE MATERIAL RESPONSE
Material Hardness Rating51.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Cross-Sectional Shape StyleRECTANGULAR
Major Thickness0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN
Inside Diameter0.352 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
2510-01-208-4852 INTERCHANGEABLE
Plate,floor
Cross-Reference Index
Part NumberManufacturer
GR540K1 Northrop Grumman Systems Corporation (USA)
V4-106 Leonardo Spa Helicopters Division - Production Site (ITA)
V4-106 PRIMARY Senior Operations Llc Div Senior Aerospace Ketema (USA)
Related Parts
2510-01-208-4852INTERCHANGEABLE
PLATE,FLOOR

Frequently Asked Questions

What is NSN 5325-00-947-0159?

NSN 5325-00-947-0159 is a Ring,retaining, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-947-0159?

NSN 5325-00-947-0159 has 3 cross-referenced part numbers: GR540K1 (Northrop Grumman Systems Corporation), V4-106 (Leonardo Spa Helicopters Division - Production Site), V4-106 (Senior Operations Llc Div Senior Aerospace Ketema).

What NSN replaces 5325-00-947-0159?

There is 1 known substitute for 5325-00-947-0159: 2510-01-208-4852. Verify interchangeability with system specifications before substitution.

What are the specifications of V4-106?

Key specifications for V4-106: Casehardening Indicator: NOT CASEHARDENED; Usage Design: EXTERNAL; Ring Style: EXTERNAL; Material: STEEL. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-947-0159 still in active supply?

NSN 5325-00-947-0159 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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