PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6F7015Ring,retaining

Caterpillar Inc Div Caterpillar Defense · NSN 5325-00-378-9138 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-378-9138 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-378-9138. Primary manufacturer part number: 6F7015.
Features
  • Ring,retaining — FSC 5325
  • Ring Style: HOOKED
  • Casehardening Indicator: NOT CASEHARDENED
  • Inside Diameter: 3.7034 INCHES NOMINAL IN
  • Material: STEEL
  • Cross-Sectional Shape Style: ROUND
  • Outside Diameter: 4.000 INCHES NOMINAL IN
  • Usage Design: INTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-378-9138, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-378-9138
Primary Part Number6F7015
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Ring StyleHOOKED
Casehardening IndicatorNOT CASEHARDENED
Inside Diameter3.7034 INCHES NOMINAL IN
MaterialSTEEL
Cross-Sectional Shape StyleROUND
Outside Diameter4.000 INCHES NOMINAL IN
Usage DesignINTERNAL
Material Diameter0.1483 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5961-00-448-2580148B6203G21 INTERCHANGEABLE
Semiconductor Device,diode
General Electric Company Dba Ge
1620-00-986-8409189-57 INTERCHANGEABLE
Plug
Goodrich Corporation
5950-01-148-9207986287-1B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
6105-01-388-3168 INTERCHANGEABLE
Motor,alternating Current
Cross-Reference Index
Part NumberManufacturer
6F7015 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
18957 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
6B7116 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
018957 Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5961-00-448-2580INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
148B6203G21
1620-00-986-8409INTERCHANGEABLE
PLUG
189-57
5950-01-148-9207INTERCHANGEABLE
COIL,RADIO FREQUENCY
986287-1B
6105-01-388-3168INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT

Frequently Asked Questions

What is NSN 5325-00-378-9138?

NSN 5325-00-378-9138 is a Ring,retaining, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-378-9138?

NSN 5325-00-378-9138 has 4 cross-referenced part numbers: 6F7015 (Caterpillar Inc Div Caterpillar Defense), 18957 (Caterpillar Inc Div Caterpillar Defense), 6B7116 (Caterpillar Inc Div Caterpillar Defense), 018957 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5325-00-378-9138?

There are 4 known substitutes for 5325-00-378-9138: 5961-00-448-2580, 1620-00-986-8409, 5950-01-148-9207 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6F7015?

Key specifications for 6F7015: Ring Style: HOOKED; Casehardening Indicator: NOT CASEHARDENED; Inside Diameter: 3.7034 INCHES NOMINAL IN; Material: STEEL. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-378-9138 still in active supply?

NSN 5325-00-378-9138 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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