PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73893Ring,retaining

Triumph Engine Control Systems Llc · NSN 5325-00-866-4315 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-866-4315 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-866-4315. Primary manufacturer part number: 73893.
Features
  • Ring,retaining — FSC 5325
  • Material Document and Classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE
  • Surface Treatment: PASSIVATE
  • Material: STEEL COMP 302
  • Material Diameter: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
  • Usage Design: EXTERNAL
  • Ring Style: STRAIGHT GAP
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel Comp 302 construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-00-866-4315, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Triumph Engine Control Systems Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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: Active.

Technical Specifications
ParameterValue
NSN5325-00-866-4315
Primary Part Number73893
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerTriumph Engine Control Systems Llc
StatusACTIVE
Material Document and ClassificationAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE
Surface TreatmentPASSIVATE
MaterialSTEEL COMP 302
Material Diameter0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN
Usage DesignEXTERNAL
Ring StyleSTRAIGHT GAP
Casehardening IndicatorNOT CASEHARDENED
End StyleVERTEX CENTER OR ABOVE
Outside Diameter0.191 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
Inside Diameter0.156 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
Cross-Sectional Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2940-00-738-86742S5648 INTERCHANGEABLE
Filter Element,intake Air Cleane
Caterpillar Inc Div Caterpillar Defense
5999-01-094-879273-893 INTERCHANGEABLE
Contact,electrical
Asco Power Services Inc Dba Asco Emergency Power Maintenance Incorporated
3040-01-209-0962 INTERCHANGEABLE
Connecting Link,rigid
4820-01-691-741873893 INTERCHANGEABLE
Valve,expansion
Applied Companies
Cross-Reference Index
Part NumberManufacturer
73893 PRIMARY Triumph Engine Control Systems Llc (USA)
Related Parts
2940-00-738-8674INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
2S5648
5999-01-094-8792INTERCHANGEABLE
CONTACT,ELECTRICAL
73-893
3040-01-209-0962INTERCHANGEABLE
CONNECTING LINK,RIGID
4820-01-691-7418INTERCHANGEABLE
VALVE,EXPANSION
73893

Frequently Asked Questions

What is NSN 5325-00-866-4315?

NSN 5325-00-866-4315 is a Ring,retaining, manufactured by Triumph Engine Control Systems Llc, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-866-4315?

NSN 5325-00-866-4315 has 1 cross-referenced part number: 73893 (Triumph Engine Control Systems Llc).

What NSN replaces 5325-00-866-4315?

There are 4 known substitutes for 5325-00-866-4315: 2940-00-738-8674, 5999-01-094-8792, 3040-01-209-0962 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73893?

Key specifications for 73893: Material Document and Classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE; Surface Treatment: PASSIVATE; Material: STEEL COMP 302; Material Diameter: 0.035 INCHES MINIMUM AND 0.045 INCHES MAXIMUM IN. 11 total characteristics are documented in the Federal Logistics Information System.

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