PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M27426-3140DRing,retaining

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5325-01-499-2609 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-01-499-2609 — this item is cataloged by the U.S. Government under National Stock Number 5325-01-499-2609. Primary manufacturer part number: M27426-3140D.
Features
  • Ring,retaining — FSC 5325
  • Inside Diameter: 1.433 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE
  • Material: STEEL CORROSION RESISTING
  • Major Thickness: 0.047 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
  • Usage Design: INTERNAL
  • Cross-Sectional Shape Style: DOUBLE OVAL
  • Casehardening Indicator: NOT CASEHARDENED
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ring,retaining, cataloged under National Stock Number 5325-01-499-2609, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5325-01-499-2609
Primary Part NumberM27426-3140D
Item NameRing,retaining
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Inside Diameter1.433 INCHES NOMINAL IN
Surface TreatmentPASSIVATE
MaterialSTEEL CORROSION RESISTING
Major Thickness0.047 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN
Usage DesignINTERNAL
Cross-Sectional Shape StyleDOUBLE OVAL
Casehardening IndicatorNOT CASEHARDENED
Outside Diameter1.649 INCHES MINIMUM AND 1.669 INCHES MAXIMUM IN
Ring StyleSPECIAL FLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5325-00-045-1884 INTERCHANGEABLE
Ring,retaining
5325-00-059-3118 INTERCHANGEABLE
Ring,retaining
5325-01-069-9944WH-775-S02 INTERCHANGEABLE
Ring,retaining
Smalley Steel Ring Co.
5365-01-474-2415 INTERCHANGEABLE
Ring,retaining,airc
5365-01-474-2423 INTERCHANGEABLE
Ring,retaining,airc
5365-01-474-2697 INTERCHANGEABLE
Ring,retaining,airc
5325-01-487-3527 INTERCHANGEABLE
Ring,retaining
5325-01-491-4438 INTERCHANGEABLE
Ring,retaining
5325-01-504-0846 INTERCHANGEABLE
Ring,retaining
5325-01-504-0848 INTERCHANGEABLE
Ring,retaining
Cross-Reference Index
Part NumberManufacturer
M27426-3140D Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-27426/3 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5325-00-045-1884INTERCHANGEABLE
RING,RETAINING
5325-00-059-3118INTERCHANGEABLE
RING,RETAINING
5325-01-069-9944INTERCHANGEABLE
RING,RETAINING
WH-775-S02
5365-01-474-2415INTERCHANGEABLE
RING,RETAINING,AIRC
5365-01-474-2423INTERCHANGEABLE
RING,RETAINING,AIRC
5365-01-474-2697INTERCHANGEABLE
RING,RETAINING,AIRC
5325-01-487-3527INTERCHANGEABLE
RING,RETAINING
5325-01-491-4438INTERCHANGEABLE
RING,RETAINING
5325-01-504-0846INTERCHANGEABLE
RING,RETAINING
5325-01-504-0848INTERCHANGEABLE
RING,RETAINING
5325-01-506-2371INTERCHANGEABLE
RING,RETAINING
5325-01-506-7453INTERCHANGEABLE
RING,RETAINING

Frequently Asked Questions

What is NSN 5325-01-499-2609?

NSN 5325-01-499-2609 is a Ring,retaining, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-01-499-2609?

NSN 5325-01-499-2609 has 2 cross-referenced part numbers: M27426-3140D (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-27426/3 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5325-01-499-2609?

There are 12 known substitutes for 5325-01-499-2609: 5325-00-045-1884, 5325-00-059-3118, 5325-01-069-9944 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M27426-3140D?

Key specifications for M27426-3140D: Inside Diameter: 1.433 INCHES NOMINAL IN; Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING; Major Thickness: 0.047 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN. 9 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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